OT-2026-000072978
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000072978) never changes.
Identity and time
| Publication number | OT-2026-000072978 · never reused |
|---|---|
| Internal UUID | 01a0ae92-c815-75d6-ace6-710f382f8125 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:10.336919Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072978 |
| Status | PUBLIC |
Content hashes
| Canonical text | 638733d2b10c4b5a8b4b44f1980092744614dcf8f051c1f28a79f07a4143d357 |
|---|---|
| Markdown | db43f6cf7e13a36947667c38e76424f0043f169da41f4bcc92d8d404f084104c |
| Publication page | bb6a87fcbb588efafa79c89246366afe5cf3c7bfa3daf06a98139499118a1c10 |
| Manifest | 2652ca8569d4b71a901c3d65d2b1f06b1ffe8c47fd895434efdb52e578ad4583 |
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 | HbDuwMKu4k6KIYGAtw7ZhCi6yAjs+CpzYohXhzhqh90bboAhJZJIwgNpKOZhudblCpLQSin2zadxnc7AG0FDCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:21:54.437356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072978observed bb6a87fcbb588efafa79c89246366afe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:21:54.421023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072978/manifest.jsonobserved 2652ca8569d4b71a901c3d65d2b1f06b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:54.405229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072978/publication.mdobserved db43f6cf7e13a36947667c38e76424f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:54.388636Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072978/publication.txtobserved 638733d2b10c4b5a8b4b44f198009274...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. |
|---|