OpenTechnical

OT-2026-000100381

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000100381) never changes.

Identity and time

Publication numberOT-2026-000100381 · never reused
Internal UUID01a0aea3-66ee-7180-84e5-a88c180e54da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100381
StatusPUBLIC

Content hashes

Canonical textc3eab705b613f40b3aecd672deb47481674c161c80077328a1b08c4239eddf83
Markdownde73bd10554c99e959cc5fb459a2c8620abd628dcd6de7b77d0df668c28bd2ce
PDF
Publication page02304c38ede50ec4e70433cda1d4a73b94d89540e26fd180683f3fb077983c1d
Manifest445ecd9889328117b0cbdd681abd84558a438e75bbdc8364c62e0ebbd5e81490

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
Signature6eWSPEAWnycH4yan0Ul1PVubuzz/EuCl5CwOt/jk9Rh/UZu9Ysn8wa8kIJfD0Y1/W1knE6tBW6n1OowWCXjPDw==
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

2026-09-17T09:27:06.717442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100381
observed 02304c38ede50ec4e70433cda1d4a73b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.700255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100381/manifest.json
observed 445ecd9889328117b0cbdd681abd8455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.680104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100381/publication.md
observed de73bd10554c99e959cc5fb459a2c862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.662910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100381/publication.txt
observed c3eab705b613f40b3aecd672deb47481...
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.