OpenTechnical

OT-2026-000104234

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pulsed 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-2026-000104234) never changes.

Identity and time

Publication numberOT-2026-000104234 · never reused
Internal UUID01a0aea5-3420-7ab4-a8ab-5fb3464ea004 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104234
StatusPUBLIC

Content hashes

Canonical textf8ebab730ca31b7930d18fcc32099881cabefbee19618c06a7d4573aabdfce9a
Markdown9acb1b36c3885d0a66fdf96cfc9f2a69b3df44b8d9bf2215f7839e910dccdd9e
PDF
Publication page9e09a4c01dc38e267bc9c6952432bca11bd3bb907dd1fcd529cfb1e1434c01a4
Manifest7b84381f447acbe26afc5da7619b7a8663eab6d3c4ace85563f813cf3559d5c6

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
SignatureeatnGXp+lSCuPECUfTygpE038am1RJqBvcgf645QlwIbB1EtyY1z4DJe6mY25lTimzmTeaxvPN70QHxw9Ni2Bg==
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

2026-09-17T09:20:20.494335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104234
observed 9e09a4c01dc38e267bc9c6952432bca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.473935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104234/manifest.json
observed 7b84381f447acbe26afc5da7619b7a86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.454715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104234/publication.md
observed 9acb1b36c3885d0a66fdf96cfc9f2a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.436682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104234/publication.txt
observed f8ebab730ca31b7930d18fcc32099881...
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.