OpenTechnical

OT-2026-000050099

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000050099) never changes.

Identity and time

Publication numberOT-2026-000050099 · never reused
Internal UUID01a0ae81-fd79-7e70-870c-28aff9626bc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050099
StatusPUBLIC

Content hashes

Canonical textc2daf7944c2cdb6a9a11360483b46eaf0e48f119ce8e94424d963ad46ee3ce2b
Markdown54c4654a880f896de0a453aa71f3cbd8895f37691ff73a74a6d7b438f503b1cb
PDF
Publication page93bdb1c5264bbbdb23a10165225db9c3ae95ff44de4fdb6055f1139f9b67559b
Manifestfc67cfea7be7fa146a1a84fa6ca6cbec96c1572638cdbd239e4d78a9be176950

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
SignatureX7efYi+L+SR0+mn67Tj3OryAziOfqMavKTn05U04HBBb0ERVPDgkCnIioJG+jnhIh81wJF4AHdkmR2MvwuIDDw==
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

2026-09-17T11:02:05.936161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050099
observed 93bdb1c5264bbbdb23a10165225db9c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:05.918140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050099/manifest.json
observed fc67cfea7be7fa146a1a84fa6ca6cbec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:05.900088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050099/publication.md
observed 54c4654a880f896de0a453aa71f3cbd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:05.881880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050099/publication.txt
observed c2daf7944c2cdb6a9a11360483b46eaf...
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.