OT-2026-000082830
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000082830) never changes.
Identity and time
| Publication number | OT-2026-000082830 · never reused |
|---|---|
| Internal UUID | 01a0ae97-8cc9-797c-b61b-539f95b67739 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:59:22.827170Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000082830 |
| Status | PUBLIC |
Content hashes
| Canonical text | f88a74f08960c3a95430c4eeb656d5bf4e4db2b8c31dcda136aef95beb94b96f |
|---|---|
| Markdown | 29b980a83f1ce7368862cf31457825e15091b0f4c2442a27eba8e6da36c4c21f |
| Publication page | 24f8d896e385e1aa8a10022519ad97cb9ffa190bf102e1552c968470bd84a6f7 |
| Manifest | c839403a4337f430b4cca53a184de50510f9e6fd72a593d6e4bb1e08b0069a53 |
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 | M/YNfJ4SJQcGn5uOw82P6WyX3SV/CQmSEhkBVnh0GBJUEajQi4ES+jWUUK3BwesedjWfi28Okrsd69HlDupADg== |
| 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
| 2026-09-21T08:41:30.074130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000082830observed 24f8d896e385e1aa8a10022519ad97cb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-21T08:41:30.024350Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000082830/manifest.jsonobserved c839403a4337f430b4cca53a184de505...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:29.965967Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000082830/publication.mdobserved 29b980a83f1ce7368862cf31457825e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:29.908026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000082830/publication.txtobserved f88a74f08960c3a95430c4eeb656d5bf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T00:41:42.832968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000082830observed 24f8d896e385e1aa8a10022519ad97cb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T00:41:42.659004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000082830/manifest.jsonobserved c839403a4337f430b4cca53a184de505...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T00:41:42.445701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000082830/publication.mdobserved 29b980a83f1ce7368862cf31457825e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T00:41:42.179958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000082830/publication.txtobserved f88a74f08960c3a95430c4eeb656d5bf...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 |
|---|