OT-2026-000005556
Publication integrity record
Vacuum cup gripper, common isolation valve, pump fed, contact triggered on the face, polyurethane cups
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-2026-000005556) never changes.
Identity and time
| Publication number | OT-2026-000005556 · never reused |
|---|---|
| Internal UUID | 01a0a93d-0f40-7ac0-a44e-8a9ec0d02281 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:02:26.243070Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005556 |
| Status | PUBLIC |
Content hashes
| Canonical text | c255609505023095e8dc3e4058f36f5d48842ea8e1adfba5f716a81a79cc4693 |
|---|---|
| Markdown | 1eaaee760d0768bb988c2fab99a3b797a729e4dbc037f71dfc0cdc76361a6fd0 |
| Publication page | a1dd7ac2fe49182e9095ca838578aa3d3a834e069223270fbf755ec29a4197aa |
| Manifest | df7640cf37751ddecefa88f4fb89523624b1b56b6053fe54ee233029da367997 |
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 | ddW8KUfaEQWAUHn+Bfk2/3MckTfnr0I+VN958ilkP14iXFwtU+ms0elQAYavWIU4DiYsRdD455jm07GRHwK5Aw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:10:27.151650Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005556observed a1dd7ac2fe49182e9095ca838578aa3d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:27.138016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005556/manifest.jsonobserved df7640cf37751ddecefa88f4fb895236...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:27.123427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005556/publication.mdobserved 1eaaee760d0768bb988c2fab99a3b797...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:26.986240Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005556/publication.txtobserved c255609505023095e8dc3e4058f36f5d...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. |
|---|