OpenTechnical

OT-2026-000069627

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000069627) never changes.

Identity and time

Publication numberOT-2026-000069627 · never reused
Internal UUID01a0ae90-b52c-7cf4-a553-391c87f0c367 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069627
StatusPUBLIC

Content hashes

Canonical text4884a8f917516b1fa054897aefc5393eb6512e9baf9af9f8974ece6869aa01e3
Markdown57d69eac5e12285aaa5b9b1cf660a9314e94232ddfd58af37447c5bfb64a8fd6
PDF
Publication pageed42b3ca961746ab6e6fcd05024b9794484e61baff8a906b86ce81e702d914de
Manifest320a5dc6c8a561a1e6180edb948f6e3e6f564c221a879ddeb2814de2104bcf7d

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
Signature+nI6X9JmJGlGJEzKXYOrbquuUbUdrTCLd8EwXRpgLrX/xYdgmg/GkB1rqcXKUtdBi/t3TbEFLNWXzqYcBfh/DQ==
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

2026-09-17T10:28:17.535819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069627
observed ed42b3ca961746ab6e6fcd05024b9794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:17.517319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069627/manifest.json
observed 320a5dc6c8a561a1e6180edb948f6e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:17.500304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069627/publication.md
observed 57d69eac5e12285aaa5b9b1cf660a931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:17.482611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069627/publication.txt
observed 4884a8f917516b1fa054897aefc5393e...
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.