OpenTechnical

OT-2026-000035331

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000035331) never changes.

Identity and time

Publication numberOT-2026-000035331 · never reused
Internal UUID01a0ae76-6a1f-76b4-97b9-46e38cd85a8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035331
StatusPUBLIC

Content hashes

Canonical textb6ebfb7615b971e17912d6270be2a57c59ad1be9eec258bcd3cc929820f4ada9
Markdownbaafcfe7889d17d558a7629ca1a26a68911b20dc1629932496da5c341ed6351b
PDF
Publication page22b0e55d22f8a8fe2205dd793eee389a2b151161c7385884c79db6c0c6139967
Manifest62b8ff1a7c6a6cbe3e63377e5090978d45a4e42804ffab55d2c707fa0eed8d69

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
SignatureLMngDaN7Xrr4SszRySbkb7SWlKGsh+nUpPPD2JOWlY/yo6fCM5TywUWcguAja5LPbUCWZa7WW68+jbE4gkzTDQ==
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

2026-09-17T11:28:29.984432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035331
observed 22b0e55d22f8a8fe2205dd793eee389a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:29.966767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035331/manifest.json
observed 62b8ff1a7c6a6cbe3e63377e5090978d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:29.946428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035331/publication.md
observed baafcfe7889d17d558a7629ca1a26a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:29.913220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035331/publication.txt
observed b6ebfb7615b971e17912d6270be2a57c...
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.