OpenTechnical

OT-2026-000082281

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000082281) never changes.

Identity and time

Publication numberOT-2026-000082281 · never reused
Internal UUID01a0ae97-4d94-7c9a-8632-14803de1e453 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082281
StatusPUBLIC

Content hashes

Canonical text8191ae39de6b3d81e48e3b4054a133320dc1c413ca34d62f5e8d26dfebbaeb0a
Markdown5e661a220b9b033e949919744bbb190e9e6d76970e34d087c052465421c7913b
PDF
Publication pagead4f89823649ad2713ec862a6bd800848742fb4fe05d2cc3c903af6627bf2995
Manifest8bc97322578bae89f0f045ce8d3d3ee06fd4eff539499eb61ce5b8bd1f61a764

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
SignatureYv7afNXZxb3syy8EjqEUMiqS3tt2DhxkkQWuYbG1MF/PtWJGdn2Ore8q7HfqaDnHegn4mgvf/dfFLk3RK99mDQ==
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

2026-09-17T09:59:08.316878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082281
observed ad4f89823649ad2713ec862a6bd80084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.300286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082281/manifest.json
observed 8bc97322578bae89f0f045ce8d3d3ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.281978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082281/publication.md
observed 5e661a220b9b033e949919744bbb190e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.263130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082281/publication.txt
observed 8191ae39de6b3d81e48e3b4054a13332...
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.