OpenTechnical

OT-2026-000065458

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000065458) never changes.

Identity and time

Publication numberOT-2026-000065458 · never reused
Internal UUID01a0ae8e-46f9-7f22-9e19-bf2fee0e502a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065458
StatusPUBLIC

Content hashes

Canonical text55ff73df210d49a7366a215fef962e2995202c5d96cc75e86bb9a0d34e06028e
Markdown1da6c83e53bed662684eb9dd9f20aa4250a6502119ab68e8d475e4faabf1b85c
PDF
Publication pagebfcefcdb0db9a8033de630b5dccc3e5fc041fbd3f45fbfbc70ac625e45a6843f
Manifestf4a08873e6788e4c684cd78669a1bb6a9bce2bfa5085c9e7a08c5d9c8e597996

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
SignatureCBlP+U5Ff7MEuduNR04nDtvEH/JHKO7SXsNEsUNgGqKaSIf1yjzLCEVDJ6/AYr9zAMUr+Tx1vIKJ2m7X8mxDCA==
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

2026-09-17T10:33:44.145270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065458
observed bfcefcdb0db9a8033de630b5dccc3e5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:44.128103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065458/manifest.json
observed f4a08873e6788e4c684cd78669a1bb6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:44.109052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065458/publication.md
observed 1da6c83e53bed662684eb9dd9f20aa42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:44.090662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065458/publication.txt
observed 55ff73df210d49a7366a215fef962e29...
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.