OpenTechnical

OT-2026-000022631

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down

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-2026-000022631) never changes.

Identity and time

Publication numberOT-2026-000022631 · never reused
Internal UUID01a0ae70-46e9-7eea-b2ea-fa5d6be88ee0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022631
StatusPUBLIC

Content hashes

Canonical text45b771c040be0a3e3f8d41f5472351f0592c86b7f6f4de6852ef5dcfe863c24e
Markdown06da0a6aab8d67b92381249e12eea1f97a7500f153eb1680e5ae4518060d893d
PDF
Publication pagedb307146e6ffae0b07dd7858286f8932f1c4d4b0c826155ce34cc2a462684315
Manifest1afc25a20deccf5ea36691ad474e08d6a377acce39c4d606225b08a14ea878a4

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
Signatureeq496AIVNw7I1+Ci1MoAWKmZl63dKPWbj+A63LMKTBn0ptT5ljh+NSp/twXYbEVdySK08z4mmIEUoNpth0bnDQ==
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

2026-09-17T11:52:00.427374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022631
observed db307146e6ffae0b07dd7858286f8932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:00.410876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022631/manifest.json
observed 1afc25a20deccf5ea36691ad474e08d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:00.391699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022631/publication.md
observed 06da0a6aab8d67b92381249e12eea1f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:00.371424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022631/publication.txt
observed 45b771c040be0a3e3f8d41f5472351f0...
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.