OpenTechnical

OT-2026-000034706

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000034706) never changes.

Identity and time

Publication numberOT-2026-000034706 · never reused
Internal UUID01a0ae76-1ed2-74fa-bc2d-38b06420106e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034706
StatusPUBLIC

Content hashes

Canonical textf8cb8c53fec6133095d7fe497d374a4c24e1aadb13d5720873202e9727c52435
Markdown59fccac7c034e508e7f4ee59a27611bdac08dac5a6316ac4e9a5b1c5f5d21c74
PDF
Publication page2022066371d74f265908e72c3c14749b3af45f9004f13bef6d25358a8e3600cb
Manifest2e924388ad8a7463ff76c1c8030637d7f27f58e7efded062dabced669758c445

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
SignatureECo63ln/3gTRetMOkyFyzLn+q53qQVPCNxi8S6EG8PMp87jcSb23IIq6NJNcTqO4eMiiRJRUUJ1xgWFdviqxAQ==
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

2026-09-17T11:30:06.125712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034706
observed 2022066371d74f265908e72c3c14749b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.103885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034706/manifest.json
observed 2e924388ad8a7463ff76c1c8030637d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.079005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034706/publication.md
observed 59fccac7c034e508e7f4ee59a27611bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.054196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034706/publication.txt
observed f8cb8c53fec6133095d7fe497d374a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:39.043487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034706
observed 2022066371d74f265908e72c3c14749b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:39.023252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034706/manifest.json
observed 2e924388ad8a7463ff76c1c8030637d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:39.004842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034706/publication.md
observed 59fccac7c034e508e7f4ee59a27611bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:38.987889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034706/publication.txt
observed f8cb8c53fec6133095d7fe497d374a4c...
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.