OpenTechnical

OT-2026-000007867

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, vented 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-2026-000007867) never changes.

Identity and time

Publication numberOT-2026-000007867 · never reused
Internal UUID01a0ae6a-908a-79f8-9d5b-922d151c9207 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007867
StatusPUBLIC

Content hashes

Canonical text209ef1b7b40ca1b1f6a7f6b93f41cc51627626d743241fab26bfebd9b92bcf2b
Markdowna181724cef28971d703ed36796f284dd4a76d32aca12ecc982e7d2c15c584591
PDF
Publication page2031cdf3ae21bc616b8c26ad322c0db301f08f6018742d8c5248e3859b78bd16
Manifestb46aa9883aa03e7f22cd9d45d2359e69ce0025288a2bca4f1f9a267127ba4878

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
SignatureGHYURET4bDUNi7Y4t8pVJQg7eXytF/XQ6IAjMAqngiTcpr38L4PijCu6E+Wp6KS1V6Lf5+jF+f+EBic4csBPAg==
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

2026-09-17T12:20:19.180798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007867
observed 2031cdf3ae21bc616b8c26ad322c0db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.163608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007867/manifest.json
observed b46aa9883aa03e7f22cd9d45d2359e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.144521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007867/publication.md
observed a181724cef28971d703ed36796f284dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.126051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007867/publication.txt
observed 209ef1b7b40ca1b1f6a7f6b93f41cc51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.096895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007867
observed 2031cdf3ae21bc616b8c26ad322c0db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.069208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007867/manifest.json
observed b46aa9883aa03e7f22cd9d45d2359e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.051258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007867/publication.md
observed a181724cef28971d703ed36796f284dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.031649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007867/publication.txt
observed 209ef1b7b40ca1b1f6a7f6b93f41cc51...
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.