OpenTechnical

OT-2026-000070444

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000070444) never changes.

Identity and time

Publication numberOT-2026-000070444 · never reused
Internal UUID01a0ae91-545f-77a1-ab4a-105d7e9235ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070444
StatusPUBLIC

Content hashes

Canonical textcbe70675cf7a2efb7c8c8856b30591c21fa691be678ab76eb953b96b70a57be4
Markdownd824d85c2f84c92c1f77319efa4f2b497913b72566bf23cbf6e3ab7249e3abdb
PDF
Publication page47c36a7ad9ee1f4b72555c01eb7055e5b8ae379dd27c11cec300af20febab9a9
Manifest6a81357046e555f0ad03bd3896a12cf75309c1ae25c8472d86beb4d669defe0a

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
Signature6upoO0Hub/oIM5SsDRt/wG+hInhFsXcDJLKo965wDSsLegTW91PgNBMSxmNsJssBbS3etDObDOLYMojnyNjmDw==
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

2026-09-17T10:26:15.973767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070444
observed 47c36a7ad9ee1f4b72555c01eb7055e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:15.956977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070444/manifest.json
observed 6a81357046e555f0ad03bd3896a12cf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:15.937804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070444/publication.md
observed d824d85c2f84c92c1f77319efa4f2b49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:15.919447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070444/publication.txt
observed cbe70675cf7a2efb7c8c8856b30591c2...
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.