OpenTechnical

OT-2026-000012556

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, pulsed blow-off before set-down

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-2026-000012556) never changes.

Identity and time

Publication numberOT-2026-000012556 · never reused
Internal UUID01a0ae6d-39f7-75b6-88f5-3b45043e46c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012556
StatusPUBLIC

Content hashes

Canonical text7a34248d57fd1df342d95bfda5e64e95626f9c1a234763ac17ec6eba381eb044
Markdownad3b0708d1e8df61a2cdc1bb6e46c121d844ebd7cd9b73b6058f110dc08dd919
PDF
Publication pageef305183f05cd448ecc1ec7c14499f6e76a06b084c84d25dba6b51c6dc5b9928
Manifest3e960daf85eaec76e3b30066b6f4ae00b8b835e6fd45def5ed9b5517656ec932

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
Signatureobx3rCu9AKNJDpNzCrbQ9b8Gh98l6pspA7DglAqpQOXYjD1QKuOjVNdw6qY9ogDveecvegrdy3SNiNFejD5MCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:06.147712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012556
observed ef305183f05cd448ecc1ec7c14499f6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:06.127541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012556/manifest.json
observed 3e960daf85eaec76e3b30066b6f4ae00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:06.108838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012556/publication.md
observed ad3b0708d1e8df61a2cdc1bb6e46c121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:06.091512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012556/publication.txt
observed 7a34248d57fd1df342d95bfda5e64e95...
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.