OpenTechnical

OT-2026-000040529

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, sustained blow-off 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-2026-000040529) never changes.

Identity and time

Publication numberOT-2026-000040529 · never reused
Internal UUID01a0ae79-6d0d-72f0-a38f-495fe80381ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040529
StatusPUBLIC

Content hashes

Canonical textdf57fc6e40d1ef9d8cc0ab99b063624c98cf48ea009ba2523958aae5d4792ca6
Markdown8a8faeca83dfc2523cf5629cbbf68723ec82519c3d825e71afa84bf85396cca2
PDF
Publication page366fd3dcf1f8156ea8a3254f870b8e3f4cd9bb8cebdf2ef02bca4aa47e06dbb8
Manifest38ce494659ad4f763194d01c2ad51053f43eb89d5298436cd448aa1eddf2b498

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
Signatureqi7prM0/FkT2kpiD/ZOjG2dEJ4LXPxu4T2/5KMQWax53A5QIXS3ruMRPRbJy3KLvkbiusEnlYiA66TXD+qO4Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:40.716067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040529
observed 366fd3dcf1f8156ea8a3254f870b8e3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:40.694788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040529/manifest.json
observed 38ce494659ad4f763194d01c2ad51053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:40.676528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040529/publication.md
observed 8a8faeca83dfc2523cf5629cbbf68723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:40.658241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040529/publication.txt
observed df57fc6e40d1ef9d8cc0ab99b063624c...
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.