OT-2026-000056236
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained blow-off 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-2026-000056236) never changes.
Identity and time
| Publication number | OT-2026-000056236 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd1-7831-8cca-b142bc6e2cdd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:37.517586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056236 |
| Status | PUBLIC |
Content hashes
| Canonical text | 501e71aa49061364244a0e27f21479dc63fe0e5f97526c796034708876fee017 |
|---|---|
| Markdown | 155f19e35e9ecbe43f1bc24e751bfc59447e53c8928a713e6b92ee3000dd0222 |
| Publication page | 678fba09d9600bc03526ccc65144fa82a43721acb58d8831df1479eac915d510 |
| Manifest | 4f7a68f71df2633d90947f8eb41cf0175e2cf19d5a9f2f5b4c4b655b0c19922e |
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 | zJOFGOJJJzo187EcT3mOV9CvJgE0eSZghpJHQLHfxnxz2a9dX1eCP039FgjDJGTEmmWICKPqvVpdpnB8rUnaAw== |
| 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
| 2026-09-17T10:50:42.873984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056236observed 678fba09d9600bc03526ccc65144fa82...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:42.856126Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056236/manifest.jsonobserved 4f7a68f71df2633d90947f8eb41cf017...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:42.838846Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056236/publication.mdobserved 155f19e35e9ecbe43f1bc24e751bfc59...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:42.821506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056236/publication.txtobserved 501e71aa49061364244a0e27f21479dc...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. |
|---|