OT-2026-000028316
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, 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-2026-000028316) never changes.
Identity and time
| Publication number | OT-2026-000028316 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7fd3-aaa4-35611de01802 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028316 |
| Status | PUBLIC |
Content hashes
| Canonical text | 45ff296bcd3aaa17bbdd8a77e717444fffc998efd597b941a6aef1545eda7dd6 |
|---|---|
| Markdown | d16e24d4a3e889e7651b85e6a59eddefb6e568c73b93a514cfc9c526729971f2 |
| Publication page | ca687e7f9296dfe0827eb20e36e95ec0b1dc45d22d3619870fe3ad58b37bf36e |
| Manifest | ca2cd04a78e00dbc282473fbfd95cee5896b5d0bc31a56a2c3a12bcd21a28353 |
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 | IU1epocVjd+XB+bBL4oDMIdzJjGC/zxfHMjgfzduhd7eImei3vbwZd9JCzch386lx+ubItn9ZCDM5suXnuDOAg== |
| 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
| 2026-09-17T11:40:18.800649Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028316observed ca687e7f9296dfe0827eb20e36e95ec0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:18.777183Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028316/manifest.jsonobserved ca2cd04a78e00dbc282473fbfd95cee5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:18.749350Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028316/publication.mdobserved d16e24d4a3e889e7651b85e6a59eddef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:18.732227Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028316/publication.txtobserved 45ff296bcd3aaa17bbdd8a77e717444f...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. |
|---|