OpenTechnical

OT-2026-000021341

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000021341) never changes.

Identity and time

Publication numberOT-2026-000021341 · never reused
Internal UUID01a0ae6f-865c-718f-91cd-de6251d1b5e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021341
StatusPUBLIC

Content hashes

Canonical text8cb12cdf9ff925a1713fab3f368c1a2153688a77ed5f0396c78003c9c151bf43
Markdown0243ed9c805b923bc4669dc922a9eeb6b12cbbaabc2431324124ede98969e3ff
PDF
Publication pagedbfdef708528a228ef0ce0ddde53c6f5493b9feead0bde5fafc3ab8d1e235c38
Manifest42198a3f2e276729cd092029928855fef2cf61658c807b8ca3b606ff583f9502

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
SignaturepIkD6UQufEmn/5FFjDulw6ezmHafFxMGvlto11jxwD3FWrRh2Vb0j7VrTzUd/L9tgToIfu2SLrrkFa3D8uTaCw==
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

2026-09-17T11:55:11.614740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021341
observed dbfdef708528a228ef0ce0ddde53c6f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:11.585647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021341/manifest.json
observed 42198a3f2e276729cd092029928855fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:11.559089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021341/publication.md
observed 0243ed9c805b923bc4669dc922a9eeb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:11.535303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021341/publication.txt
observed 8cb12cdf9ff925a1713fab3f368c1a21...
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.