OpenTechnical

OT-2026-000071077

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000071077) never changes.

Identity and time

Publication numberOT-2026-000071077 · never reused
Internal UUID01a0ae91-8c2f-7892-9889-36abce8ea97d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071077
StatusPUBLIC

Content hashes

Canonical text8191bcdbbffed365b03f0f66785dfd932db74bfe27931eca8c1346a8cb622cd6
Markdown6152f68c1bdf94ca1ce96734af416f464dc046f2ec50ac08f15066d6dce00c91
PDF
Publication pagedc861feec6e693ed6d8a13f5e51db9493e54f9bdc40f10623aee11e62c054413
Manifest5ee8bfc942d65102184bb47b34d5b7d0d20fca02b29059a7ccc97a7b1ec62d28

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
SignatureGnc77cw7r6zeo46MzqHKpeFbKR5ls+s79Gix0GzPG80Geh83pQnJ+KxHfHafSE48WNrfOGg2iYbY5VULzkAeAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:56.316383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071077
observed dc861feec6e693ed6d8a13f5e51db949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:56.299156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071077/manifest.json
observed 5ee8bfc942d65102184bb47b34d5b7d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:56.283721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071077/publication.md
observed 6152f68c1bdf94ca1ce96734af416f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:56.267764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071077/publication.txt
observed 8191bcdbbffed365b03f0f66785dfd93...
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.