OpenTechnical

OT-2026-000023638

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000023638) never changes.

Identity and time

Publication numberOT-2026-000023638 · never reused
Internal UUID01a0ae70-aed3-7470-95bb-ce3854d35848 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023638
StatusPUBLIC

Content hashes

Canonical text5147fd5d907003cc8be35de26c01d261aea86bd3aeb9bce1d345752826fd3af1
Markdownaed7a046e8cd33f6a56c3156a4e7453e7bd6ec488fdca23ab6dbc7329f7684e4
PDF
Publication pagec80617ccd8606068a38c655e25a70beca10a44fbc45920e260df68b788331a1f
Manifest49e230c17e5b2ca4c031a12039abe75f3e286f32077f7368ea4bdb4646f354b8

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
Signature3blniFRj9Bp7jmIfno3EYWAD6X29pYrK8EFuZ3ZLo7wwR8uGq9p31P/cmKGR0KYBfuBn2pZFfnv6KvcEb2SuAA==
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

2026-09-17T11:49:50.881327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023638
observed c80617ccd8606068a38c655e25a70bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.864423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023638/manifest.json
observed 49e230c17e5b2ca4c031a12039abe75f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.841112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023638/publication.md
observed aed7a046e8cd33f6a56c3156a4e7453e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.825459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023638/publication.txt
observed 5147fd5d907003cc8be35de26c01d261...
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.