OpenTechnical

OT-2026-000054322

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000054322) never changes.

Identity and time

Publication numberOT-2026-000054322 · never reused
Internal UUID01a0ae85-b3a9-7f6f-a8c5-86b614cc802f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054322
StatusPUBLIC

Content hashes

Canonical text5c1dd9873d5a9d7e172a0e6889de8e06cc82771de17becc96010a829a4331008
Markdown96feb1728cfd47e5d8ddb3a042320936437921607ad758309e5be8bb7e6da1fe
PDF
Publication page2ca2bc095f5f890b53d27fdc7d4bd92b8c93fd493468d4d0268e899aaa0b8bc2
Manifestce78aed0720ce6da6e14fa2558d07aa6d97cee641a3a8acb1004d4a988bb360c

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
SignatureBonUcn2MxVKRvPkpM3xMRGE5/ry8nj1fa4nQ2R8sdOKuGKXwli65yOuPQZUMrLoXpiwU5Qb16DxOn5dbJdjNCA==
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

2026-09-17T10:54:48.615726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054322
observed 2ca2bc095f5f890b53d27fdc7d4bd92b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:48.597452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054322/manifest.json
observed ce78aed0720ce6da6e14fa2558d07aa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:48.574326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054322/publication.md
observed 96feb1728cfd47e5d8ddb3a042320936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:48.545477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054322/publication.txt
observed 5c1dd9873d5a9d7e172a0e6889de8e06...
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.