OpenTechnical

OT-2026-000100722

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000100722) never changes.

Identity and time

Publication numberOT-2026-000100722 · never reused
Internal UUID01a0aea3-66f4-734f-bd99-6f31ff979930 · 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-2026-000100722
StatusPUBLIC

Content hashes

Canonical textb054e7d856e8d86a58c07380c8c707b8b8071a3834ebab567e6eadb7e8a01951
Markdownc215ffc0e88ff6a1c0bce0d30983e6b3c0c7a2668a544ef1eda714c403c34fea
PDF
Publication page0603564bfbc2737a3ee3ea4086a60878eff0be5a5e9c6998f62d57161606f98f
Manifeste56934a8dd4356c788a880e7de7db2fffec8540f07b8cdac5324acdaee6b75cd

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
SignatureRPWjQ5EQEg8wT5BVuvrKRJUOZNNvC/hSFJLA7f4hH491peA4cZwswbKlPugjFGVFbKk8mbhukn6/Gv2cCa24DQ==
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

2026-09-17T09:27:32.807967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100722
observed 0603564bfbc2737a3ee3ea4086a60878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.790269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100722/manifest.json
observed e56934a8dd4356c788a880e7de7db2ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.772518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100722/publication.md
observed c215ffc0e88ff6a1c0bce0d30983e6b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.755022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100722/publication.txt
observed b054e7d856e8d86a58c07380c8c707b8...
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.