OT-2026-000013568
Publication integrity record
Single bellows cup vacuum gripper, pump fed, 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-2026-000013568) never changes.
Identity and time
| Publication number | OT-2026-000013568 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fcb-7eda-919a-bf1a16ab66ca · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013568 |
| Status | PUBLIC |
Content hashes
| Canonical text | efa1872d06badd9176c651407c50786e4d2c2101475e9d5b3fbcdc135b2f8496 |
|---|---|
| Markdown | 0c1394d7647504db995ddf576afb24cbd83e1dde84ddd566a3c453bce51edb10 |
| Publication page | 42b26af271578a070225107b24781e38312e7dc69f25b4b50540cc9bec0ee11c |
| Manifest | c09ece9742cfa9b252a058176ac6fd891742f4bc66d57955739501ddcd53a758 |
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 | 4o2pFdyJwHorS9LqHVYUBEVn/3CB3A9MhlzvPCCKqdooUAfMwe6q+j81U9kXAM52L/zqP2pGfS/gXHXH42z8DA== |
| 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
| 2026-09-17T12:09:22.909516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013568observed 42b26af271578a070225107b24781e38...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:22.891072Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013568/manifest.jsonobserved c09ece9742cfa9b252a058176ac6fd89...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:22.872537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013568/publication.mdobserved 0c1394d7647504db995ddf576afb24cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:22.852550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013568/publication.txtobserved efa1872d06badd9176c651407c50786e...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. |
|---|