OT-2026-000022649
Publication integrity record
Single cup vacuum gripper, common isolation valve, 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-2026-000022649) never changes.
Identity and time
| Publication number | OT-2026-000022649 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46e9-7242-8227-09931a108a24 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022649 |
| Status | PUBLIC |
Content hashes
| Canonical text | f23fd21da0c48af6e60317ac6ca0fb47445f4c0f460b521890b8c72f1e8caf6b |
|---|---|
| Markdown | 73051e4a8583bf08279ddd1569b716ddd22bf3ac3daccf9e1e891d285074434e |
| Publication page | 436ab1ce7937d9470fed41d4310eaa4e82401a17015018630e1bbc7f3b4b59c7 |
| Manifest | 4e578c83d30bd5086f7944271fa2f43b25b46bb70de1970510721dcb75c6d82f |
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 | 2dvhtb/8pTc1xaY1aRi48Tx6/Ti2OtkQ8wvv0pAUcbLUvRto+Dr7Dn9jL4GpggOtIiupWNvv8e6k1rO4euDKAA== |
| 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
| 2026-09-17T11:52:01.872386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022649observed 436ab1ce7937d9470fed41d4310eaa4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:01.854330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022649/manifest.jsonobserved 4e578c83d30bd5086f7944271fa2f43b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:01.836648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022649/publication.mdobserved 73051e4a8583bf08279ddd1569b716dd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:01.818767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022649/publication.txtobserved f23fd21da0c48af6e60317ac6ca0fb47...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. |
|---|