OpenTechnical

OT-2026-000066682

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000066682) never changes.

Identity and time

Publication numberOT-2026-000066682 · never reused
Internal UUID01a0ae8e-ce42-783b-9822-ca96d2095039 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066682
StatusPUBLIC

Content hashes

Canonical text858862a8f5751606888260d49374391743678f26f8f073b0f69286b374bba06e
Markdown92c872a8681f0ae9cc18f71770c4db4726de668f146c52755bd763be65b13db6
PDF
Publication page63d61659c5083340bb36b1117305d3194cca1c5c1a773f8da7724c3b5bb2fbb4
Manifest8aeacc7d9d8447cc857b0332bbc7977d2fe0cf835a76844a6c5fdb3227ad6c7f

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
SignatureSroS2RuuSDOGI/cPfv72EwYBx2xeqvzWa2ADwEseVKyloEnlgNBCPrGb6iwvP87mRxRh0/ECyegNt0vStaB0DA==
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

2026-09-17T10:33:04.740700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066682
observed 63d61659c5083340bb36b1117305d319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:04.722109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066682/manifest.json
observed 8aeacc7d9d8447cc857b0332bbc7977d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:04.703709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066682/publication.md
observed 92c872a8681f0ae9cc18f71770c4db47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:04.686070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066682/publication.txt
observed 858862a8f5751606888260d493743917...
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.