OpenTechnical

OT-2026-000046552

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000046552) never changes.

Identity and time

Publication numberOT-2026-000046552 · never reused
Internal UUID01a0ae7e-57dd-762b-afce-14f66edce5a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046552
StatusPUBLIC

Content hashes

Canonical textf3463f88746abcf160793ae631794513ef447d97ae4b9771c0779ff9475bdc7e
Markdowneb5e5bfa98d022dc2533bd388071c2ca5a6d8e6928a31398a232ef067c84cff1
PDF
Publication page020c0dd8e17ad66b35c6e6da4bb105d4818bd2f095e3cc709bafb05da57ce253
Manifesta866c26708b6427d85894358afd6db43872f7dcdd7000b91fcdd0ff0caa18c8e

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
SignatureVqtkPrz2cDMtKBf6ORsw5qBVHPWDvzSiIxJLhnEiC16Tc5AYZLOUhL0nbuqceRYy38Pd3730sdauSbg6E9qhAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:08:36.673681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046552
observed 020c0dd8e17ad66b35c6e6da4bb105d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.656197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046552/manifest.json
observed a866c26708b6427d85894358afd6db43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.637351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046552/publication.md
observed eb5e5bfa98d022dc2533bd388071c2ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.620192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046552/publication.txt
observed f3463f88746abcf160793ae631794513...
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.