OT-2026-000053875
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000053875) never changes.
Identity and time
| Publication number | OT-2026-000053875 · never reused |
|---|---|
| Internal UUID | 01a0ae85-735e-77b1-8dcf-ae8bbf62c85e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:36.560124Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053875 |
| Status | PUBLIC |
Content hashes
| Canonical text | b809847699b44e00c083b32cc64b97a4114baafcc3270bf9016dd7521c3e73b6 |
|---|---|
| Markdown | b7cea3ea85bd86ec4cc1465ea5ef6e7b677ad1f40c7ee7719200d5f09a1d9b04 |
| Publication page | 4710510688780303dcd333f959d619251f65d230c3927cd03bd3259a05ecf595 |
| Manifest | 5f83353f3ac30af855eb3fdda856800f2ec7fae07cd78d95a4efaaa0a4769de1 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | llmcsKfZxi89wmal8tpDKTb1B7RtDvEgxPchMTdJhz0+XH/vKnNL3duhiNCH47JcCsssZnoBp7x7l2kdxjY+CQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-08T20:42:00.296714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053875observed 4710510688780303dcd333f959d61925...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-08T20:42:00.220365Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053875/manifest.jsonobserved 5f83353f3ac30af855eb3fdda856800f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T20:42:00.128587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053875/publication.mdobserved b7cea3ea85bd86ec4cc1465ea5ef6e7b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T20:42:00.015271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053875/publication.txtobserved b809847699b44e00c083b32cc64b97a4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:40.560261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053875observed 4710510688780303dcd333f959d61925...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:40.535547Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053875/manifest.jsonobserved 5f83353f3ac30af855eb3fdda856800f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:40.514894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053875/publication.mdobserved b7cea3ea85bd86ec4cc1465ea5ef6e7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:40.492934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053875/publication.txtobserved b809847699b44e00c083b32cc64b97a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|