OpenTechnical

OT-2026-000093981

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000093981) never changes.

Identity and time

Publication numberOT-2026-000093981 · never reused
Internal UUID01a0ae9e-92c9-7311-8460-5ada0aba5242 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093981
StatusPUBLIC

Content hashes

Canonical textcd103f3f427ec93b4a5b61fcdf6d2a46d4c4ff475b743f30c1276ea76e7c3f95
Markdown9e512a0745a3cada2279b9cbcb0a423028360ce1667b02fa6bbda146db46b1de
PDF
Publication pageb771a21d547b71df2ddfaa925655b93e4a6a3d3bca2dd6a64c04c20b218c3943
Manifestac8cf5289481aad0c07583c2b8880d4d2f1a9bdf083841c6138434d637e20923

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
Signature4nbGzuTzHcxDA7xkEr9DA2gZ8u0Oi22SR/2tOHpAS0b2b5VqRFCSe9SLzc/2QXJwuDGjYAqittD8/IMEQccwCg==
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

2026-09-17T09:38:23.041625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093981
observed b771a21d547b71df2ddfaa925655b93e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:23.022889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093981/manifest.json
observed ac8cf5289481aad0c07583c2b8880d4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:23.003960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093981/publication.md
observed 9e512a0745a3cada2279b9cbcb0a4230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.981564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093981/publication.txt
observed cd103f3f427ec93b4a5b61fcdf6d2a46...
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.