OpenTechnical

OT-2026-000090101

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000090101) never changes.

Identity and time

Publication numberOT-2026-000090101 · never reused
Internal UUID01a0ae9c-428e-70af-b31b-660b97e012c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090101
StatusPUBLIC

Content hashes

Canonical textedd42cc0c25b954a19d61433888bb24eb9ca3e274bce64e6c1277f8587732875
Markdownc8fe6af1585495c55c28d147d1596d353ee7d80fb018839f6594bdd6bd3b395b
PDF
Publication page797a0fd74effd0c1b5b3ccfff4386434db15cb92b3133a71b571ca4e7b6ece95
Manifest849b5166ed1281810fb1bde014250c5c118952490d4ecd86d51d6da0c7f48e31

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
SignatureeKV8ANTC9mc3PUldB8wgi4JHU5VJxnVwtb7+WIBXntvSlui0rYmPdjohPn3v14WxeWgy2oTesUEftHTpUJCiAQ==
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

2026-09-17T09:45:06.411914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090101
observed 797a0fd74effd0c1b5b3ccfff4386434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:06.378347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090101/manifest.json
observed 849b5166ed1281810fb1bde014250c5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:06.361217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090101/publication.md
observed c8fe6af1585495c55c28d147d1596d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:06.327275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090101/publication.txt
observed edd42cc0c25b954a19d61433888bb24e...
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.