OpenTechnical

OT-2026-000100575

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000100575) never changes.

Identity and time

Publication numberOT-2026-000100575 · never reused
Internal UUID01a0aea3-66f2-7eb1-a706-4b7a3a0f9bc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100575
StatusPUBLIC

Content hashes

Canonical textca98f5d08828a80d355a3d42b703ff5bab55547c7a6c7199fa789648a74382c2
Markdowna733a6ad4c047b250fafdc6053528ff6f4335591a8a8ff4dd9a98e78bbd56223
PDF
Publication pageb61d41f90fef5dbc9f785b10387d0d8d8c6021a9b323527f49c1895c44f1eab9
Manifest7f9cc83d8110c8a54e7daa7ed9dfc0f50879d3b584164fe6a4cc431462e1a1ce

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
Signature7ELcuvPR6WgirdnbGbJnDSQ8MtzQyjBuSF2e7t3P2/+My9aR3S0jzsERhqxhOGtwgfc6NxktZzLmpDbH5s+XAw==
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

2026-09-17T09:27:21.496870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100575
observed b61d41f90fef5dbc9f785b10387d0d8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:21.477992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100575/manifest.json
observed 7f9cc83d8110c8a54e7daa7ed9dfc0f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:21.458182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100575/publication.md
observed a733a6ad4c047b250fafdc6053528ff6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:21.439813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100575/publication.txt
observed ca98f5d08828a80d355a3d42b703ff5b...
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.