OT-2026-000021478
Publication integrity record
Foam pad vacuum gripper, 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-2026-000021478) never changes.
Identity and time
| Publication number | OT-2026-000021478 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-792a-b790-ca0739c08248 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021478 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7fa084aa50e0f43514dd45234058bda717b6823165b6b6f875c1da0ff13015aa |
|---|---|
| Markdown | c571befe13dae7a6693821dcd3a344ab5c0001d8468fb032619fa356bf1a524a |
| Publication page | bb95cf29fb16bc8c011356900030a9b2e72a2f8f6ec126ad2760511a5308cec7 |
| Manifest | 21ab302c82d716b49629814107f3fc9ac3aae0417eace326cc1834ef535f4edc |
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 | Bti7YkGK1waoysqeLte1G2QAlmAskton2Emft55tb1Ned+s/2ZiveYwStxb2t+1KMrG6DrJBqLaPwMxyjIrcDg== |
| 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
| 2026-09-17T11:54:48.514964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021478observed bb95cf29fb16bc8c011356900030a9b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:48.490392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021478/manifest.jsonobserved 21ab302c82d716b49629814107f3fc9a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:48.468206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021478/publication.mdobserved c571befe13dae7a6693821dcd3a344ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:48.440773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021478/publication.txtobserved 7fa084aa50e0f43514dd45234058bda7...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. |
|---|