OT-2026-000056080
Publication integrity record
Single bellows cup vacuum gripper, pump fed, sustained blow-off after 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-2026-000056080) never changes.
Identity and time
| Publication number | OT-2026-000056080 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4b-777b-bbc1-672639de840a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056080 |
| Status | PUBLIC |
Content hashes
| Canonical text | fb3879cbcd0e748ef74ff4a00c36eec6cdc9866a4b98b70c4c63df4ec619989d |
|---|---|
| Markdown | 68c22e7324fd03de563f00f56ea4ab955f73fdf1a150bfe7d93ab771fa363eca |
| Publication page | 04e1140b559addc1674c6a63960e4135f64c53767bb6cebbf9549abcb5b5b267 |
| Manifest | 0c141079d773adaf0ad24198755f449e7fea469025f55787e5ee2ac361aee257 |
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 | UaBE3qpvoGwxNSSB/wnf8XjeLPdmzc8673zjoKIo2A+dRmyDN9B7E763Wa1i31UDFY45QyZ9MXVfwKqIr/+mAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:36.991165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056080observed 04e1140b559addc1674c6a63960e4135...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:36.974126Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056080/manifest.jsonobserved 0c141079d773adaf0ad24198755f449e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:36.957505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056080/publication.mdobserved 68c22e7324fd03de563f00f56ea4ab95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:36.940019Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056080/publication.txtobserved fb3879cbcd0e748ef74ff4a00c36eec6...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. |
|---|