OT-2026-000072981
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000072981) never changes.
Identity and time
| Publication number | OT-2026-000072981 · never reused |
|---|---|
| Internal UUID | 01a0ae92-c815-7534-956b-98dbcd516a24 · 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-2026-000072981 |
| Status | PUBLIC |
Content hashes
| Canonical text | a5b61490a2f39e13bbc06e22b05f046f48040bd704f7f80cecf4b25efdafe82f |
|---|---|
| Markdown | ee38cc15342ef66c542d8f89583238f3b639739dca3ea0be1eae7151f324c3bc |
| Publication page | a48c08063040f74fbfc0ebb3fadb156d7742e3e904088262180bb62d4321911c |
| Manifest | 5ac7809e201a88cd89c6dea7a68725f4c4f01c58fa4fa07c66f571430d396482 |
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 | a+HWQAQpd8QNTufqYH2iMrG8h9mP3CmwEuyywzxv0uQJASA8QFg40GSp3tlkXYAoVSA509UqVlES1VWVeqjZAw== |
| 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
| 2026-09-17T10:21:54.655249Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072981observed a48c08063040f74fbfc0ebb3fadb156d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:21:54.638762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072981/manifest.jsonobserved 5ac7809e201a88cd89c6dea7a68725f4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:54.621542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072981/publication.mdobserved ee38cc15342ef66c542d8f89583238f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:54.604055Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072981/publication.txtobserved a5b61490a2f39e13bbc06e22b05f046f...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. |
|---|