OpenTechnical

OT-2026-000054682

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000054682) never changes.

Identity and time

Publication numberOT-2026-000054682 · never reused
Internal UUID01a0ae86-1284-7b51-8500-1c02eeeb8b01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054682
StatusPUBLIC

Content hashes

Canonical textac86bd7758b2b61bc2a13b6f4e814c4d82ba4a9f6e645d9fea21c688ba7d379a
Markdownfe48693d7d4e27e61a81a2f36730969b4bd55cd2a5f1dddf5025fc2d950bdea7
PDF
Publication pagebf57afa9c3660a35ed13ba66baa02e42e2d62b09f2264bcfeaf1513fb737c547
Manifestc1fea547f493dee7621fc42a1c3f63ccde30776d35c0c4252a1414325e2a9690

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
SignatureN+7940R1cHI5DDz8c3XQ3huO1L3J17EwHafyf8VWLOzK/egLk+LZVEMVtESuPkpWgcsonwh6aGbTKkvnmpRfBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:45.667810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054682
observed bf57afa9c3660a35ed13ba66baa02e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:45.648877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054682/manifest.json
observed c1fea547f493dee7621fc42a1c3f63cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:45.628264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054682/publication.md
observed fe48693d7d4e27e61a81a2f36730969b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:45.609328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054682/publication.txt
observed ac86bd7758b2b61bc2a13b6f4e814c4d...
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.