OpenTechnical

OT-2026-000048951

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000048951) never changes.

Identity and time

Publication numberOT-2026-000048951 · never reused
Internal UUID01a0ae81-134c-7e68-96a7-73df7a955cf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048951
StatusPUBLIC

Content hashes

Canonical text7bcf2ba08b7b2d15ff1f4355b82a1daa083ac26f64b67316a3fc82b042df65c4
Markdowncd14c3947e4a6d09972d5d4ec8b0feb574e1424c3501ce17bd313186bca93e0b
PDF
Publication page69af941875aa802d91bf2a17c4b1f9a3552b09ec24087ed9d5e39427ec2f6ba9
Manifesta0bd981738c38bd97d028d235f801af37371fafe66a4e12c67dfe063adf5c51e

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
SignatureMgGs8WiO7DpXld5dOu17+K1YARgiMaAVMQnC/oZEiJDmWth//azMO4us3YBTIbDs/vPUIQQgzjkxr2uZBaHvDw==
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

2026-09-17T11:03:08.491880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048951
observed 69af941875aa802d91bf2a17c4b1f9a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:08.472224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048951/manifest.json
observed a0bd981738c38bd97d028d235f801af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:08.448794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048951/publication.md
observed cd14c3947e4a6d09972d5d4ec8b0feb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:08.429701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048951/publication.txt
observed 7bcf2ba08b7b2d15ff1f4355b82a1daa...
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.