OpenTechnical

OT-2026-000008773

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, vented 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-2026-000008773) never changes.

Identity and time

Publication numberOT-2026-000008773 · never reused
Internal UUID01a0ae6a-e46c-7dc3-b911-8ec6f4959277 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008773
StatusPUBLIC

Content hashes

Canonical text5217bbea25885de77c78b048bd6617ddce6cb2380b834f7bfe2ce31727633dbc
Markdown533509f16da769d7df7af4cb7f1d0fed556a4cd1533dcd881bd7fca58a9f43c9
PDF
Publication page285221069e9374ae040d376f01ea3554ff1c3b16cb7b2134997fb0b4d3d87082
Manifest8640dcb40309f0a3cc016094377fdbee1bfcce707b9c20867a01319607f6b02f

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
SignatureZBuQKqH+G6bIWPoPnrHp7ETol2K4dNccyffNqlzWU+xtXK3LL9H/giyw1eI/cl3B4zBJXFYz2OsUOFKhGSCrAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:52.409952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008773
observed 285221069e9374ae040d376f01ea3554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:52.390435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008773/manifest.json
observed 8640dcb40309f0a3cc016094377fdbee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:52.370997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008773/publication.md
observed 533509f16da769d7df7af4cb7f1d0fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:52.351918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008773/publication.txt
observed 5217bbea25885de77c78b048bd6617dd...
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.