OpenTechnical

OT-2026-000100307

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000100307) never changes.

Identity and time

Publication numberOT-2026-000100307 · never reused
Internal UUID01a0aea3-3053-77c0-98f7-a8e6c92b79d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100307
StatusPUBLIC

Content hashes

Canonical text75431198e77ff202f296a664500fa97c9e5f443d7310cbeee18ef962219a2c32
Markdown483ce9717218fd9f05853197620a16d7356520ac14dbc4179f6b210ae4db4e04
PDF
Publication page2cf917a6e6c6925f6ad0d38b731d25e30e5d5ad6310c8a6c4d6e0895e7cfc15c
Manifest028f2e722497dbf60b5e7b921c0ca7366d1d662dcb6b99d464eb3614721e9e21

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
SignaturevJI92UkYONdwKpFR8hq/QdO/X+og2Fj2BkHN2vwY14TyzgvXc4uw+T2wDaW7TYsEgnmB6DH660ikALXtGSEFAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:14.305019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100307
observed 2cf917a6e6c6925f6ad0d38b731d25e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:14.283561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100307/manifest.json
observed 028f2e722497dbf60b5e7b921c0ca736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:14.264588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100307/publication.md
observed 483ce9717218fd9f05853197620a16d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:14.244268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100307/publication.txt
observed 75431198e77ff202f296a664500fa97c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.238216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100307
observed 2cf917a6e6c6925f6ad0d38b731d25e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.220454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100307/manifest.json
observed 028f2e722497dbf60b5e7b921c0ca736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.203676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100307/publication.md
observed 483ce9717218fd9f05853197620a16d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.185700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100307/publication.txt
observed 75431198e77ff202f296a664500fa97c...
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.