OpenTechnical

OT-2026-000079569

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, 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-2026-000079569) never changes.

Identity and time

Publication numberOT-2026-000079569 · never reused
Internal UUID01a0ae96-0b92-7f30-91da-a09e4fc855bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079569
StatusPUBLIC

Content hashes

Canonical text6475c698941fcd5e072b599a9050a6bc5cf997ea0182c8b4a37944db7856d30d
Markdown0e1d5b8aafc0917653a1c03486ea2412e31a7dc3184299d5e44eca20bf81bb22
PDF
Publication page1319797ca33342f02f576a815bbb4a5a65c65c41678408da45b332fba7d3b4c5
Manifest2805c3990f462bc09b8a34fb05d828bea500518ee8553ad570e229e7479754de

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
Signatureug9bydpqD/C3cR4i1UzlN5jZi4c9fKpTUvTjoJ7IhxCtnzuh+nBHcnYKwwxvptyn1LXiHCLR+UB7BKcwz+KiCg==
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

2026-09-17T10:05:13.143001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079569
observed 1319797ca33342f02f576a815bbb4a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.121837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079569/manifest.json
observed 2805c3990f462bc09b8a34fb05d828be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.102032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079569/publication.md
observed 0e1d5b8aafc0917653a1c03486ea2412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.080813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079569/publication.txt
observed 6475c698941fcd5e072b599a9050a6bc...
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.