OpenTechnical

OT-2026-000083745

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000083745) never changes.

Identity and time

Publication numberOT-2026-000083745 · never reused
Internal UUID01a0ae98-0417-77a9-97ef-369ae7c11bb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083745
StatusPUBLIC

Content hashes

Canonical text8e3ba5ade8b2815762d76a2e0cb0c6b3a9ee32d18584fcad8a1858ad26629d52
Markdowna18600e1327d1b14e42008a59cc0ce3eba5df0ed2522bceeb2f004574b04e603
PDF
Publication page4df2245a4e800f4999cf4a22ddaa6561fde546eeadc5aabe7a4adb948c6b3a93
Manifest5b3e508770115ed7b258eae79f0d09be6607b269ebea8669998ae9b1d731781b

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
Signaturel8vyMJFw/1XgUQctw/zYpRaLanjDJbYLQUe0VeEY+6FFWsUkDZj5q/djwHxzwstk3Py2ZPdXAjmc8fSE5mbNCw==
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

2026-09-17T09:57:22.890088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083745
observed 4df2245a4e800f4999cf4a22ddaa6561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.873190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083745/manifest.json
observed 5b3e508770115ed7b258eae79f0d09be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.856494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083745/publication.md
observed a18600e1327d1b14e42008a59cc0ce3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.838941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083745/publication.txt
observed 8e3ba5ade8b2815762d76a2e0cb0c6b3...
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.