OpenTechnical

OT-2026-000042786

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000042786) never changes.

Identity and time

Publication numberOT-2026-000042786 · never reused
Internal UUID01a0ae7a-c0d0-74f2-b8bb-8df7a4e26952 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042786
StatusPUBLIC

Content hashes

Canonical texte56459ee4add6977829be67ed1890391cef71721dbbab45e68ed0c1e885d5be9
Markdown59c1fc2b94de134614b7e43bf882b05e30ee4f149c4d37eabd5eb4516ae0304e
PDF
Publication pagef82fcf29fd2091fb4518c9efa4d8f0a63716f47b17de6d2cd1483b0ecb545a68
Manifestd0e09bc2315b0a617c8e9cdd08351c1d6ef27a0093397a7968c981e65330715f

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
SignatureikhjBuCW2zXe6JPTDH035MLnLNuazZ+XScLCWMGZZ2ZnnPenXox+fxSlclikjFRrpajAgoyIJKt3fa7aeGtWBA==
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

2026-09-17T11:15:15.026190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042786
observed f82fcf29fd2091fb4518c9efa4d8f0a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:15.009303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042786/manifest.json
observed d0e09bc2315b0a617c8e9cdd08351c1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:14.991464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042786/publication.md
observed 59c1fc2b94de134614b7e43bf882b05e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:14.973679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042786/publication.txt
observed e56459ee4add6977829be67ed1890391...
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.