OpenTechnical

OT-2026-000008690

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, vented 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-2026-000008690) never changes.

Identity and time

Publication numberOT-2026-000008690 · never reused
Internal UUID01a0ae6a-e46c-712a-8a71-134c8c2b8e6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008690
StatusPUBLIC

Content hashes

Canonical textdd1213ff6c54dd6cb677052102f434cb9d61220f8c0fae2d7f21e4a3d8ddd4d7
Markdownee2e602813bc764211c28ccee98a76db2b7eaaf8a9ba407271c3b307c482e11c
PDF
Publication pageb7c9902c0b89c14773b323250786d0997c6b417edec75487222a662a041e3da3
Manifest9b38cab26244543f7dec4b489f717cdce23b08d4b19759c3cd554849a6959901

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+bpXtTNjjeoYe8LjOBAo8eYdCFXncBqIuRJ4G22955AFB5KvNhHQWzlgcE4YC2AeDYpvKlKBt7LMl37++JGlAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:45.189811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008690
observed b7c9902c0b89c14773b323250786d099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:45.164237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008690/manifest.json
observed 9b38cab26244543f7dec4b489f717cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:45.144269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008690/publication.md
observed ee2e602813bc764211c28ccee98a76db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:45.123692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008690/publication.txt
observed dd1213ff6c54dd6cb677052102f434cb...
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.