OpenTechnical

OT-2026-000029790

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000029790) never changes.

Identity and time

Publication numberOT-2026-000029790 · never reused
Internal UUID01a0ae73-5e24-724d-9ed2-bdf8522a2778 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029790
StatusPUBLIC

Content hashes

Canonical texta9f10d05e67fe27407aa53ba5b7eeaf94c9ef2c2ebaa1509ff08c6dbbefecd3d
Markdown3e911628cd54749cf33844a54ff21ee7b42631063c0e735c92c832c105e9e85e
PDF
Publication page23c5c41246bc379c3cbe8a6493d4ab6fc138ac1a98bc41da6823e038d4dd322b
Manifestbce65721c14293071a66564cdb132b6346e6e5832639ae155c4cb74490e8eb21

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
SignatureL1mkLiuBe6pbbKLiBlL2PSBnZNsdsGlkUM+hURiOCIn2ufzYL4wl22UisOHulHktceQMrKMeCJwS624RUvB5Aw==
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

2026-09-17T11:39:33.543447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029790
observed 23c5c41246bc379c3cbe8a6493d4ab6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.526447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029790/manifest.json
observed bce65721c14293071a66564cdb132b63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.506378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029790/publication.md
observed 3e911628cd54749cf33844a54ff21ee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.485204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029790/publication.txt
observed a9f10d05e67fe27407aa53ba5b7eeaf9...
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.