OT-2026-000080813
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, sustained blow-off before set-down
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-2026-000080813) never changes.
Identity and time
| Publication number | OT-2026-000080813 · never reused |
|---|---|
| Internal UUID | 01a0ae96-b974-7a20-9275-25756f01ab02 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:28.739380Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000080813 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3f1329af9434263a284e2980bea81aed7d7d9fddf91e7ebb2c955067975e2405 |
|---|---|
| Markdown | ee9110108a8d4c5df87ef0e6eac29a3c6abc71fc905c4ff02cafa4d88e978b93 |
| Publication page | 3622e97b5b5e049b54437c7514322d973543512128ade51a8e04be9682190499 |
| Manifest | b4fc88ffb607ca37d3b540976cd720abfafcfa6f572273d6e3f1d8b77935300e |
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 | rgsW4J4iZA59Qp0NpHtyajjiZj+VSsOUISAGP+B1Yk8EWaVTzh2q6RlBUnZ9VYcWIESiZ9Hbxa2oJ2e3Ks8FDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-31T08:41:22.004185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080813observed 3622e97b5b5e049b54437c7514322d97...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T08:41:21.919819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080813/manifest.jsonobserved b4fc88ffb607ca37d3b540976cd720ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:41:21.805472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080813/publication.mdobserved ee9110108a8d4c5df87ef0e6eac29a3c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:41:21.706688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080813/publication.txtobserved 3f1329af9434263a284e2980bea81aed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T20:41:22.890481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080813observed 3622e97b5b5e049b54437c7514322d97...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T20:41:22.806113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080813/manifest.jsonobserved b4fc88ffb607ca37d3b540976cd720ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T20:41:22.735923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080813/publication.mdobserved ee9110108a8d4c5df87ef0e6eac29a3c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T20:41:22.571046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080813/publication.txtobserved 3f1329af9434263a284e2980bea81aed...fetched by grabo-systems from 34.44.131.203, 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 |
|---|