OpenTechnical

OT-2026-000038143

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000038143) never changes.

Identity and time

Publication numberOT-2026-000038143 · never reused
Internal UUID01a0ae77-f88b-7f3f-ab19-e82c6a89a5d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038143
StatusPUBLIC

Content hashes

Canonical textcb688a524b7e09cc3c8fef1204a7b47d1050360f802ab2f7583d0b95e56b9f00
Markdowndf39cb312ae6e8ba71fdd7b0ce134b568f38cffee765b2120f79b68679bd2c7d
PDF
Publication pageb0e27e60cc35e958a6b96fd8dbe9bcbe3c10306ffcf8126b4a36a6a24d82903c
Manifest0f4cdfca2ddfaf9d6e4e6ef7ff11988b2f07957de55e84124467ae07ddb8f7ef

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
SignatureuO3o7D0frplXph55YhJknaCVDiq1EX49S2uW2MwpeiCDWmbf8NbuSJlw1uKB9n0RjXXtE2CyFp2pCwl5zFkuCg==
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

2026-09-17T11:23:29.457400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038143
observed b0e27e60cc35e958a6b96fd8dbe9bcbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:29.440784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038143/manifest.json
observed 0f4cdfca2ddfaf9d6e4e6ef7ff11988b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:29.422962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038143/publication.md
observed df39cb312ae6e8ba71fdd7b0ce134b56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:29.404823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038143/publication.txt
observed cb688a524b7e09cc3c8fef1204a7b47d...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent