OT-2026-000052473
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, vented 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-2026-000052473) never changes.
Identity and time
| Publication number | OT-2026-000052473 · never reused |
|---|---|
| Internal UUID | 01a0ae84-573a-77b1-8f8d-60aef73a5d88 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052473 |
| Status | PUBLIC |
Content hashes
| Canonical text | 82561fc5812b67304449968caf9730bb612475e49031d7663f24a91b90dacd28 |
|---|---|
| Markdown | 76b32e8236225630746014efe40a273e122c74d21bef6075f4c0f27b3f67d208 |
| Publication page | b571a20d5f4be893e488101eeac1d15b4c038f59b0f6d7191417b9faa54e9262 |
| Manifest | 0fa6362fd8b5303b4629e0daf211d7a9756d87cf69568bf5d6968030924de9ae |
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 | EDY0DiavqASy7hz5ANndgGzaoep7/z5Ns579hHIeM6WQ2ei9OTCTkFSXKu9il4ndydp/p/5tSA76xMOan2F+BA== |
| 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
| 2026-09-17T10:57:06.195129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052473observed b571a20d5f4be893e488101eeac1d15b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:06.176784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052473/manifest.jsonobserved 0fa6362fd8b5303b4629e0daf211d7a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:06.158114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052473/publication.mdobserved 76b32e8236225630746014efe40a273e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:06.139586Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052473/publication.txtobserved 82561fc5812b67304449968caf9730bb...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. |
|---|