OpenTechnical

OT-2026-000069249

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000069249) never changes.

Identity and time

Publication numberOT-2026-000069249 · never reused
Internal UUID01a0ae90-b528-7e4f-818b-e7cf2e205326 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069249
StatusPUBLIC

Content hashes

Canonical text8c22b7090113a3daaf614b529256d3a3e28c973eecc40f42b3f48b4db214e82f
Markdown6a3b9653e634c93e43128c447579a5f2d7a3ca4901c9680666087d948bb6bb8d
PDF
Publication pageabaa1b91c2f0c43c5ac20be473bf49b8c0667dde3e056f87dcdcb4abc3f13470
Manifestb01520615ac73f4db406f8ffd687c17d8efa96c9899e9b0ae6dd6ab850880ab2

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
SignaturenOCYEtDcDwIStHAJ9eCorU94lKVgYMm2qp9fC1n9mJYnFYI1v6ZloSPokiSkQz9nua+gVuIDZhlMs+t3Qsv/CQ==
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

2026-09-17T10:27:19.334409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069249
observed abaa1b91c2f0c43c5ac20be473bf49b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.315157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069249/manifest.json
observed b01520615ac73f4db406f8ffd687c17d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.298033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069249/publication.md
observed 6a3b9653e634c93e43128c447579a5f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.279891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069249/publication.txt
observed 8c22b7090113a3daaf614b529256d3a3...
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.