OpenTechnical

OT-2026-000021040

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single 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-2026-000021040) never changes.

Identity and time

Publication numberOT-2026-000021040 · never reused
Internal UUID01a0ae6f-65e4-7597-ac8c-2b90e9ee752f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021040
StatusPUBLIC

Content hashes

Canonical text6ebd964e2e0e216364fab591f45a67341a8b7d9946506d1cfe90230bd31669a8
Markdown22f6f835870209c6d421f1d1a408daf2c327b383b9d87e7f23a62e542632a39d
PDF
Publication page1eb0a79f155e3654710a887e2b209c419d36b1ffa379c85752a84fe1bb042cf3
Manifest2b85398a224c17b1de54df3f6f171cffd8009629b2be21083b22f6f09720f238

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureLEcuzQGuBiZVoOYBYHzNH0YSNjcrkZWkfFd5vGQB6kbVubMXbcy0XWkdu7RJlDN73vMCftyi9CLKUtKSV9PECQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:56:12.176214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021040
observed 1eb0a79f155e3654710a887e2b209c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:12.157259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021040/manifest.json
observed 2b85398a224c17b1de54df3f6f171cff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:12.136829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021040/publication.md
observed 22f6f835870209c6d421f1d1a408daf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:12.119051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021040/publication.txt
observed 6ebd964e2e0e216364fab591f45a6734...
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 archivePending 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 packagePending Custody packages are produced weekly.