OpenTechnical

OT-2026-000057044

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000057044) never changes.

Identity and time

Publication numberOT-2026-000057044 · never reused
Internal UUID01a0ae87-d5b6-7b68-ac49-8dc293ccb998 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057044
StatusPUBLIC

Content hashes

Canonical texte67df937a7c0729e089aa5b0159e04371d0ce114cf33b2bd5b916ccf13c938b4
Markdown9f6335a8e30cee1f784308cb9fe357e9ec01a0f7884711e62951ea9fc2330d8e
PDF
Publication pagefb55b2548d9848ebd0aa111af446000701e829d1abaf8b342cc7811a8cb01487
Manifest0b4e5467ac1d6f6c04baa5acf9e05d2cb7ee17887011de9b54ca55961c341061

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
Signature/tAyFyKT20GIYneee6H8Uo9w01tuz+0rySx0MJbwj8o/VFT2P5md09ljVjcoj5Y5d6b9qW45yYrTEz0H/VnOCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:31.688374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057044
observed fb55b2548d9848ebd0aa111af4460007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.668684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057044/manifest.json
observed 0b4e5467ac1d6f6c04baa5acf9e05d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.650299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057044/publication.md
observed 9f6335a8e30cee1f784308cb9fe357e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.632180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057044/publication.txt
observed e67df937a7c0729e089aa5b0159e0437...
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.