OpenTechnical

OT-2026-000097107

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000097107) never changes.

Identity and time

Publication numberOT-2026-000097107 · never reused
Internal UUID01a0aea1-01c9-7ada-b77f-ebb23f9e5874 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097107
StatusPUBLIC

Content hashes

Canonical textda20becd2270801949af028da16b67daf8b46bc0695e841fa7959a51ada254a0
Markdown298631b4e5483fdfa44d5b2a7b40f1c9a9acd87cd329020f8d43ef6ff12c1006
PDF
Publication page7bb67ed3624165c9ae72f4010110a5fb190db818455fb3a8b134fa9f73edf603
Manifest0d58ba340739fc443e55ed43a33a0a2801c8c2bb1384b821fc5230b9a49e90ef

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
Signatureq26qd6Iv5MbWoj7655FtVADeaOGG4x9U5MW/G1JfSRBUry4IfMOyursIoY3PTdaWL5791ROM87Xo/pJ8xKGSAA==
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

2026-09-17T09:10:44.877367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097107
observed 7bb67ed3624165c9ae72f4010110a5fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:44.860329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097107/manifest.json
observed 0d58ba340739fc443e55ed43a33a0a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:44.843394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097107/publication.md
observed 298631b4e5483fdfa44d5b2a7b40f1c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:44.698359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097107/publication.txt
observed da20becd2270801949af028da16b67da...
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.