OT-2026-000081309
Publication integrity record
Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, sustained 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-2026-000081309) never changes.
Identity and time
| Publication number | OT-2026-000081309 · never reused |
|---|---|
| Internal UUID | 01a0ae96-f374-7ccc-b0be-2b1fb1c7d9cf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:43.461344Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081309 |
| Status | PUBLIC |
Content hashes
| Canonical text | 71c7cb4a576332c5d339f353020d8b8f03b66541c0e3ee18fb448a1ca12dc72e |
|---|---|
| Markdown | b1189ac62dd703f182e66bde0a0dfd1bc766ebc5cfac62cd6852cefaec1a90dd |
| Publication page | d75947971173e2e231fcf53d793cf0b1c38be894a9f75a2ca31eff274661ea49 |
| Manifest | a95e781d9647f274690eed76f690577e66e2fd4086d39dbd065bd76ee05b4099 |
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 | lXACRJm7sNP/ij0aRYztvAsSoCef5cvkPk/rwFqzX6fSnZqOulq4tNIJWv+RFgYhuydyU8Zbeq7yyoCgUT6fCQ== |
| 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
| 2026-10-22T12:41:45.291923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081309observed d75947971173e2e231fcf53d793cf0b1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T12:41:45.201554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081309/manifest.jsonobserved a95e781d9647f274690eed76f690577e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:45.124432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081309/publication.mdobserved b1189ac62dd703f182e66bde0a0dfd1b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:45.018083Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081309/publication.txtobserved 71c7cb4a576332c5d339f353020d8b8f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:25.399832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081309observed d75947971173e2e231fcf53d793cf0b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:25.381791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081309/manifest.jsonobserved a95e781d9647f274690eed76f690577e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:25.364102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081309/publication.mdobserved b1189ac62dd703f182e66bde0a0dfd1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:25.345143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081309/publication.txtobserved 71c7cb4a576332c5d339f353020d8b8f...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 |
|---|