OpenTechnical

OT-2026-000097574

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000097574) never changes.

Identity and time

Publication numberOT-2026-000097574 · never reused
Internal UUID01a0aea1-92f1-73dd-a263-c5f6c407e98f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097574
StatusPUBLIC

Content hashes

Canonical text1139e9c8e86844abb405ac6135358496a3db609885b7fef48f0f20ac81f9aa9c
Markdown6978169fe25b27fcbdcb06d3574d0e2c026fb4e61a4a0b205217d5dce84a940c
PDF
Publication page55a2ce339328f768e7d2ad09edd60db4fc3925884f2ee188e329859a03981410
Manifest99f50fa3bee8676e3e15d4f64078a1cbcd6cad063d7d02cc52b3feeb0d96399e

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
SignatureZGOfFHKm5Op2v64+rSS8D2CtD9rGLPiWym7/GsyWRdeNAT9CZb84LfEwCju2aQSkya0KjVZZILXZyPyxhGWIAg==
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

2026-09-17T09:32:29.223424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097574
observed 55a2ce339328f768e7d2ad09edd60db4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.206493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097574/manifest.json
observed 99f50fa3bee8676e3e15d4f64078a1cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.189438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097574/publication.md
observed 6978169fe25b27fcbdcb06d3574d0e2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.172606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097574/publication.txt
observed 1139e9c8e86844abb405ac6135358496...
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.