OT-2026-000057403
Publication integrity record
Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000057403) never changes.
Identity and time
| Publication number | OT-2026-000057403 · never reused |
|---|---|
| Internal UUID | 01a0ae87-d5be-77bb-b94a-125666481677 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:12.973410Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057403 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4c278fc464ce438c755125cfc58336b751f44d9c87822d0a27ce8d80c4a7d41c |
|---|---|
| Markdown | 473e6c5f7a59350fa35528983ef198f5a13272b462b7015529ac600ae46b7e55 |
| Publication page | ccf435b533b7144ab038bee2bf5c7749de43e8dfca3b66c0e141e2c918aca8b5 |
| Manifest | 8c3fefc4066474c650e7badcbd536cef5e0329b3c188e7643c9dae569e08cda5 |
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 | D2c7gxMW3edRaMdSTy/dw7pz107RanKoF+l9hhMxcm7MksXmlZ/lDDIn9Je0ncwUKpjPX64+GgtCKzYNCYCxDw== |
| 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
| 2026-09-17T10:49:41.415890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057403observed ccf435b533b7144ab038bee2bf5c7749...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:49:41.398399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057403/manifest.jsonobserved 8c3fefc4066474c650e7badcbd536cef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:41.381549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057403/publication.mdobserved 473e6c5f7a59350fa35528983ef198f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:41.364504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057403/publication.txtobserved 4c278fc464ce438c755125cfc58336b7...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
| Custody package | Pending Custody packages are produced weekly. |
|---|