OpenTechnical

OT-2026-000064679

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two 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-2026-000064679) never changes.

Identity and time

Publication numberOT-2026-000064679 · never reused
Internal UUID01a0ae8d-deb9-7456-984c-78520f679248 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064679
StatusPUBLIC

Content hashes

Canonical texte9325f88dda232a41e23187945ef7a8788a79994363e96b7c0ab57a0b83fc6bc
Markdown8894b1288244047e24df07d0ebcb1e2397f4eb8333af18431f761f4e88f5be5b
PDF
Publication pagedb651066fb02250556c239d99e423e533206ef7c52cfb74b82d4e308eb98f1c1
Manifest72d2540911b2a7bfe19b9b85b2bd6f7077495e1e90fd708d9c03326d145d0337

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
Signaturer5OCmK844OEBgHSkzsBG8jobQYGaItfusKHspgO/HsKVFtywhqG+l2TWXHDAzz38cIGiZu1aw4wSrWDQY/3lAA==
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

2026-09-17T10:35:28.491503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064679
observed db651066fb02250556c239d99e423e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.476083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064679/manifest.json
observed 72d2540911b2a7bfe19b9b85b2bd6f70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.460106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064679/publication.md
observed 8894b1288244047e24df07d0ebcb1e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.443390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064679/publication.txt
observed e9325f88dda232a41e23187945ef7a87...
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.