OpenTechnical

OT-2026-000092133

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, sustained 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-2026-000092133) never changes.

Identity and time

Publication numberOT-2026-000092133 · never reused
Internal UUID01a0ae9d-875a-762c-a4d0-1f2f2da2ef27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092133
StatusPUBLIC

Content hashes

Canonical text4f5a2aef487831c0a194acba6ea9abbf83e75e39c5688ccd297161bbe2df28b9
Markdown59703a2d925126383893455b65bb6e308c8d5a6a366c86f2ec97fe86c5de5b75
PDF
Publication pageb29e66f6efa44e1b0d667743440a4ea155709a3c2623388596f9b9178512b97f
Manifest28e61f81933cb576f3a024e8ac7d138554cd5f736ddadd1d3c83f1d6f269fd47

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
SignatureUtwgn/QUvCXMJM2Lub1lMryipcuTibT7Q9tqrdxZERuVfC9DoDkOdjA9KGN/v+swY1jGQ9AXjobS5utRBBRpCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:36.160477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092133
observed b29e66f6efa44e1b0d667743440a4ea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:36.144017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092133/manifest.json
observed 28e61f81933cb576f3a024e8ac7d1385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:36.127163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092133/publication.md
observed 59703a2d925126383893455b65bb6e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:36.110030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092133/publication.txt
observed 4f5a2aef487831c0a194acba6ea9abbf...
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.