OpenTechnical

OT-2026-000081609

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, sustained 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-2026-000081609) never changes.

Identity and time

Publication numberOT-2026-000081609 · never reused
Internal UUID01a0ae97-0f72-7dc2-8da7-15ed6ade941e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081609
StatusPUBLIC

Content hashes

Canonical text283936f443df7205f2e477052ea5cb3971e4fd0a541a6b86f4cf3f151a8a84ab
Markdown18be19c6fb550f67c5262978ad8a3db236dc23dfe71541fce992285d466e3414
PDF
Publication pagec95da377427981d36a15ab93f3271a71b4225951cb32c53662d799a4a4e05bcc
Manifestf8772e66a47e7d183426f941c7393f50533b1f37f1be4cf4ccee9df0adc6b11a

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
SignatureZ96LDBWPxdNmGos0PnTIsiUAA+y5mHV5H67GiwVcY33kxd7+Xfb147sD8d1hFReF096tKeruFCVn3FUTStUyCA==
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

2026-09-17T09:59:38.934389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081609
observed c95da377427981d36a15ab93f3271a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.918213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081609/manifest.json
observed f8772e66a47e7d183426f941c7393f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.901344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081609/publication.md
observed 18be19c6fb550f67c5262978ad8a3db2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.883006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081609/publication.txt
observed 283936f443df7205f2e477052ea5cb39...
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.