OpenTechnical

OT-2026-000097980

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000097980) never changes.

Identity and time

Publication numberOT-2026-000097980 · never reused
Internal UUID01a0aea1-92f7-7110-a67e-8d35deedf42f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097980
StatusPUBLIC

Content hashes

Canonical textefbf96b30fbfedde4ba54fa7b814173ab19489b8e7f293b6ffef107e4bd7ad89
Markdown463d148ec10343fd9e30964be08717fa9e86c498fc76e297782629dfe7d1c705
PDF
Publication page2c9b6473723f0549ceb39b4f7ce767233be1b955bcca8fd118e5c32a24eca931
Manifest6e06bab721b55ee30d9e682c68d31c26992c1df26e6a3226336c28796b4e477e

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
SignatureAidCkZY2b/k0vnxUymaJP5FZXPPUKQw7PLv0dcOihJOM+9mleiHajMKFAKziRUw+e8vXHPB78CUwMlYKFUzhBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:07.711051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097980
observed 2c9b6473723f0549ceb39b4f7ce76723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:07.694402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097980/manifest.json
observed 6e06bab721b55ee30d9e682c68d31c26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:07.675642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097980/publication.md
observed 463d148ec10343fd9e30964be08717fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:07.658617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097980/publication.txt
observed efbf96b30fbfedde4ba54fa7b814173a...
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.