OpenTechnical

OT-2026-000079180

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented after 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-2026-000079180) never changes.

Identity and time

Publication numberOT-2026-000079180 · never reused
Internal UUID01a0ae96-0b8f-764a-b9e5-fc49be85bbad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079180
StatusPUBLIC

Content hashes

Canonical text3ad6cf8daa17d202db1a53d66477bd77e1dc44c1422fb065b09946d6b05c5993
Markdownc391963e8c9629655827b5a61478949d0f60877c36d7e3c3f61d7eac521150c3
PDF
Publication page4527d41a4a059777872c89e5696c1ebe7c2d4fdb502d42ab501df499f0b5cd32
Manifest15487d96e409988f5007979c5514e4ebf68429834f74d199d8860e3aa17b124f

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
Signaturebd0MbWb6S8P1pGvF4ftdhs58tBNdrkycyHy1MvutiixDxMv5TXQld81+n0NXgMo9xoz0rD/M7ChQlWeFGKUSCg==
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

2026-09-17T10:04:40.778219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079180
observed 4527d41a4a059777872c89e5696c1ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:40.758950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079180/manifest.json
observed 15487d96e409988f5007979c5514e4eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:40.741344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079180/publication.md
observed c391963e8c9629655827b5a61478949d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:40.721369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079180/publication.txt
observed 3ad6cf8daa17d202db1a53d66477bd77...
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.