OpenTechnical

OT-2026-000025815

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pulsed 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-2026-000025815) never changes.

Identity and time

Publication numberOT-2026-000025815 · never reused
Internal UUID01a0ae71-a83e-7a5f-ac3b-5c7261915586 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025815
StatusPUBLIC

Content hashes

Canonical texte98980b574d1877189609ecf3868fb04a7a4d363686154349c3427bce85e6202
Markdown3433c5c2abb8eb80a6ca5e9228a846d89db2616b37a3d5e8f35fc81c23879f29
PDF
Publication page340d3cd7c087a76283214744a10babce94948c99808a520041ecbf7a9b3e882d
Manifestf35b2c283406c03fa197efda6e35f68c7b3a0bf01afdfe62ec23a6c8850a6566

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
SignaturefqJtBPS70fNnC+3FmSwvA9ySZgLEc8lUxPa+fDqXDTuJ263ONri0qDyfoc6j7mrnvbDT4GiUUISOphHbiFifBw==
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

2026-09-17T11:46:02.022844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025815
observed 340d3cd7c087a76283214744a10babce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.004691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025815/manifest.json
observed f35b2c283406c03fa197efda6e35f68c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.988179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025815/publication.md
observed 3433c5c2abb8eb80a6ca5e9228a846d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.971698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025815/publication.txt
observed e98980b574d1877189609ecf3868fb04...
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.