OT-2026-000031640
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000031640) never changes.
Identity and time
| Publication number | OT-2026-000031640 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad0-7b2a-8c53-64c073056090 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031640 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5604ab2da30ad4621fa59f15badadf8c7f5c92948e1f92cb44247801fee99876 |
|---|---|
| Markdown | a4db5d8b5e5a2713dfe66f65557d19706c1544d798d15f82d7b6c2f41a7d0b95 |
| Publication page | 37ee9ff1021a6337b2d4f2f317c5acddb23c081360f40b22fe7ea4a737d6153e |
| Manifest | 7987f144ef04bdaf539d475bcc1c9244d5de76c4e09a2992b2db5729e0b9d807 |
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 | haxT3XmBKex3SYQ6FHkeDyDF8HacGASKQdgC5Gn8v5d3A68h62Pi/eRD9bpEK24Glg4SOuDOgfd/iul2JWYwDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:34:41.657413Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031640observed 37ee9ff1021a6337b2d4f2f317c5acdd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:41.640911Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031640/manifest.jsonobserved 7987f144ef04bdaf539d475bcc1c9244...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:41.622166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031640/publication.mdobserved a4db5d8b5e5a2713dfe66f65557d1970...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:41.602152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031640/publication.txtobserved 5604ab2da30ad4621fa59f15badadf8c...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. |
|---|