OpenTechnical

OT-2026-000008495

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000008495) never changes.

Identity and time

Publication numberOT-2026-000008495 · never reused
Internal UUID01a0ae6a-e46a-7b83-9993-8a3c7b708d45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008495
StatusPUBLIC

Content hashes

Canonical text80d1844ebe4ad9c7074481cc5b76b81202fc076d4ba5765a2246d5c8de19242c
Markdownde971c2aaf451e483f7569160e584b0124be4b32c1d496653232cf35205f1464
PDF
Publication pagee96b1d9ce11aeb50251f844bb04c1eb4afa1170816bd8514765ababb15e70fd4
Manifest67facfd9aaf25684f71e5539fe0663058aff7b580e3a2f5bbd97df1f0e63c158

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
SignaturewwDzLDgzZTEwulOolFGXierd06d//H86cZ9l5YcCr3Vuxlp08NcYCvQO4/eGAhE53DHxRYIwVMk2B9JyftnvAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:23.808476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008495
observed e96b1d9ce11aeb50251f844bb04c1eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:23.791101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008495/manifest.json
observed 67facfd9aaf25684f71e5539fe066305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:23.772619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008495/publication.md
observed de971c2aaf451e483f7569160e584b01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:23.752329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008495/publication.txt
observed 80d1844ebe4ad9c7074481cc5b76b812...
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.