OpenTechnical

OT-2026-000045495

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, 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-2026-000045495) never changes.

Identity and time

Publication numberOT-2026-000045495 · never reused
Internal UUID01a0ae7c-f76d-78e8-bab3-7b6d174cb386 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045495
StatusPUBLIC

Content hashes

Canonical text840174cb7e2dd3eee711a7d611dbdc01c517998d36bbed5c6a16dd87f5103f64
Markdownfac250a4def407ca5a19c23c9dfd656d3e5ec1a139149d7bf4aca96e5f2c70e7
PDF
Publication page3bb69bf5f4d1101e305534417222ac647fbae7787f352b7f380a664d5d55e687
Manifest7c1454ee53fa28b820a8f79c08ced8bf1f93ccd837419408ae1b9878865503b9

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
SignaturepE+4UKE2lVKVw5am+1JDChL3OT9jgpGUFUg04kMYXsWDzYdBrMqJ6veGONJl9ztjRV1BzzkuxXKvmgCFiXRqCQ==
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

2026-09-17T11:11:18.722084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045495
observed 3bb69bf5f4d1101e305534417222ac64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:18.703161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045495/manifest.json
observed 7c1454ee53fa28b820a8f79c08ced8bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:18.682555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045495/publication.md
observed fac250a4def407ca5a19c23c9dfd656d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:18.662944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045495/publication.txt
observed 840174cb7e2dd3eee711a7d611dbdc01...
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.