OpenTechnical

OT-2026-000037031

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000037031) never changes.

Identity and time

Publication numberOT-2026-000037031 · never reused
Internal UUID01a0ae77-7740-7e7b-93a5-ab4ec0b9f129 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037031
StatusPUBLIC

Content hashes

Canonical text6678c2d056902d8e2eeca408501aa755c0c948a4f517de6f83724a3e91ecb074
Markdownf159dc5e92f2bcb992f5b17c245847f2d5d1cdc90375aab9f4f381bf798ca21b
PDF
Publication page3bd5b3132d82154faff2fb8dc217be08725da84b7b592ef9e7e881f7a49cdf0b
Manifest874fd3d8227075e21cdfa08543abb47c8267422ab988e0d4053a5c4de40252fa

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
SignatureVhRivLOVBLabcMnhhw32Sifs2vNAIIbS/8gTztTSl/IHqo6AI3gXdHujMUp+sWra3Sc0E6f1fmg0CcB9dBMpBw==
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

2026-09-17T11:24:51.863851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037031
observed 3bd5b3132d82154faff2fb8dc217be08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:51.843850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037031/manifest.json
observed 874fd3d8227075e21cdfa08543abb47c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:51.821613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037031/publication.md
observed f159dc5e92f2bcb992f5b17c245847f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:51.802776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037031/publication.txt
observed 6678c2d056902d8e2eeca408501aa755...
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.