OpenTechnical

OT-2026-000102450

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pulsed blow-off after set-down, on a tool changer

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-2026-000102450) never changes.

Identity and time

Publication numberOT-2026-000102450 · never reused
Internal UUID01a0aea4-8589-7b78-85d7-cd2e5b4c8d16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102450
StatusPUBLIC

Content hashes

Canonical text9b7367668d498ffe51ff0674b41dfbfef8a863d3933d1a0c87db520791029984
Markdownd684a3fd37937d4ec3e07b02b5b4f554dd7ff3cc104aa7de7d272e40a5cb6ab8
PDF
Publication page793961a951aefa938b266476096d2aae75391c17cd8a37e3f16529f01294d5af
Manifestf31531dbaacb4211d99764327d8cff65df108bc93c9303dda981f2f1f1e58cce

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
SignatureiBBXdtbO7IOUOA/dYKnkPj84nMsGbyT2tsVLqKkHBtO9gpEciJOegXM24SOXAM4JGxebE29ylVK9uSAGskZfAg==
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

2026-09-17T09:23:39.863618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102450
observed 793961a951aefa938b266476096d2aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:39.846775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102450/manifest.json
observed f31531dbaacb4211d99764327d8cff65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:39.828794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102450/publication.md
observed d684a3fd37937d4ec3e07b02b5b4f554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:39.764458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102450/publication.txt
observed 9b7367668d498ffe51ff0674b41dfbfe...
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.