OpenTechnical

OT-2026-000097181

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000097181) never changes.

Identity and time

Publication numberOT-2026-000097181 · never reused
Internal UUID01a0aea1-01ca-7c78-aeb4-94dbf289bf28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097181
StatusPUBLIC

Content hashes

Canonical textf116ae5cd7a32eefbd9ff4e94ba54419dff86a0b71078824434f0d0dfd5d7e81
Markdown4c6ddc0b02d0c75d8f5742646eb55844c50398212a6afa11723a63a8837cf5bd
PDF
Publication page948884651dcab05bb6ed3b44e404a40ca6416ab0f19da884573bca23e49595e4
Manifest6ab3d6f62898273b05cba8debb138ad6c610d3323d670b4f7b28a5ac2c25ff26

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
Signature4z9nOgv08v2iYBcrkPaHbejDmaSJ5/d6vL/g+krcoatVc7xiY49czOxfN8EUaVHCH43ZG14i5ghYof6cKOjbDg==
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

2026-09-17T09:11:02.947660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097181
observed 948884651dcab05bb6ed3b44e404a40c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:02.931101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097181/manifest.json
observed 6ab3d6f62898273b05cba8debb138ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:02.913912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097181/publication.md
observed 4c6ddc0b02d0c75d8f5742646eb55844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:02.896240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097181/publication.txt
observed f116ae5cd7a32eefbd9ff4e94ba54419...
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.