OpenTechnical

OT-2026-000098690

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line 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-2026-000098690) never changes.

Identity and time

Publication numberOT-2026-000098690 · never reused
Internal UUID01a0aea2-42ae-77fd-9811-bcc869aed709 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098690
StatusPUBLIC

Content hashes

Canonical text48dcd91fa69aad0df3a80441b945df8df5bc31abbfe08d3551d712b72c1f44df
Markdown8de2d97ad9db4c6e983bb9d04d7522a3954338e5b3c5b33431b876f75e27fc0d
PDF
Publication pagee4858d9ca1c61a2c94ecffcd1feced1143346361c9255a83047bb7b2d57f22fb
Manifest253686c9169b91759116f40de7bed6c073c3ec225cbfcfdcb647603040dcc2de

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
Signature89eP0s7ecbRpfsOSAbHBMjhxVSfZDkhCx/eDM9vY8xmsTloOjkfKLPyU2xTl52F98QnbqEoq5YQ7JUX1q1B8DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:59.584979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098690
observed e4858d9ca1c61a2c94ecffcd1feced11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.568456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098690/manifest.json
observed 253686c9169b91759116f40de7bed6c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.550286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098690/publication.md
observed 8de2d97ad9db4c6e983bb9d04d7522a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.532286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098690/publication.txt
observed 48dcd91fa69aad0df3a80441b945df8d...
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.