OpenTechnical

OT-2026-000036587

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000036587) never changes.

Identity and time

Publication numberOT-2026-000036587 · never reused
Internal UUID01a0ae77-46e7-7e0f-8cb8-e28c8f4d1fe0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036587
StatusPUBLIC

Content hashes

Canonical textc269288af020d650147a9d8aaed897c6a3e8489494db6dcf3dd796b1e218c7af
Markdownc13f886351974fb213e75d9238921d480354df4e66bb0b8ca6ccbc793f5a2c5c
PDF
Publication page96d9fedbb3114d98922e9bd6b0030634a0f1a52fa343f37b8590297156e05a49
Manifest8214667f58c57e115a1141ccd23118789687707735cc0cd06bc0d1dd41fa3af2

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
SignatureGZUy/HxDkDXh4DMFROCCuQcmUw23nCtMdtV9F9CUeyBuFh20smXUToVmfILsdEVxyEzK57LCu3iNFRaTeYf+BQ==
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

2026-09-17T11:25:48.692399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036587
observed 96d9fedbb3114d98922e9bd6b0030634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:48.675774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036587/manifest.json
observed 8214667f58c57e115a1141ccd2311878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:48.659451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036587/publication.md
observed c13f886351974fb213e75d9238921d48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:48.643249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036587/publication.txt
observed c269288af020d650147a9d8aaed897c6...
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.