OT-2026-000018544
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000018544) never changes.
Identity and time
| Publication number | OT-2026-000018544 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-b48a-7e22-b361-0c15aa5477f0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:45.971508Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018544 |
| Status | PUBLIC |
Content hashes
| Canonical text | 22ca6cf24cae2d6cd80777f8a8146489a9a6f4bcdf257cef41e8abeb36032b77 |
|---|---|
| Markdown | e4094da47d007e14e93c9519251f857d36867a8e10046ba015d6deb30b18cebc |
| Publication page | f817454d4e4cf9cad73b2171b9fe80d2906fd932336b6be1dca8a4fd760f200e |
| Manifest | 7090cfa0d3e24242003dc7280f4341561fd4ed8db9f4960c3e464680fe189cc7 |
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 | g+vOMPgcqLb3Q/E5qR3pOIHmXNZPD8djHPp3roKUaO9UR6qq7Sb7ASy1LxqRphrOM+ejKFVHCFUypvRY19dEDA== |
| 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
| 2026-09-17T12:01:19.430600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018544observed f817454d4e4cf9cad73b2171b9fe80d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:01:19.414110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018544/manifest.jsonobserved 7090cfa0d3e24242003dc7280f434156...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:01:19.398806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018544/publication.mdobserved e4094da47d007e14e93c9519251f857d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:01:19.381844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018544/publication.txtobserved 22ca6cf24cae2d6cd80777f8a8146489...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. |
|---|