OpenTechnical

OT-2026-000081231

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, sustained blow-off before 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-2026-000081231) never changes.

Identity and time

Publication numberOT-2026-000081231 · never reused
Internal UUID01a0ae96-f373-710b-9f66-3617259e2d19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081231
StatusPUBLIC

Content hashes

Canonical text95582d5e73ad42fbecbcf8b6d29df7a4248481dab4a3d6e952489565766e3937
Markdownba1cd3cbc50ff6d17e2565c616dfbe026d4d57b6b7d5dd49cd19ddf79375a007
PDF
Publication page1ca448b926516f194e5d378263c930c88f3fa3d79c2fa8beb020de351392cb5c
Manifest55c5bd934dda8a1e115ea818c1407db6d8773daff9fa81bb0014a0ac923dba05

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
Signature+fEfDbYve89PqMXll/KjfTbWzFtYEpXvqC9AZk+gzIeoLNF1lAdszj/jEfv90v59y1FDm72niR5N3vFZ0Hn3AQ==
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

2026-09-17T10:01:19.049634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081231
observed 1ca448b926516f194e5d378263c930c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:19.032846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081231/manifest.json
observed 55c5bd934dda8a1e115ea818c1407db6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:19.013044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081231/publication.md
observed ba1cd3cbc50ff6d17e2565c616dfbe02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:18.994909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081231/publication.txt
observed 95582d5e73ad42fbecbcf8b6d29df7a4...
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.