OpenTechnical

OT-2026-000045723

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000045723) never changes.

Identity and time

Publication numberOT-2026-000045723 · never reused
Internal UUID01a0ae7d-8f04-7c68-ace2-a70c38637615 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045723
StatusPUBLIC

Content hashes

Canonical text7e59135887f1f3a0d202e88536f8f49957d10bdcb16c61528f86a1445ffa9eac
Markdownaddc1ff502b8d39df5e8c5768a40d4dc5f863abd13661e3eae4e332a5bee98dd
PDF
Publication page0309ed3b0d8a33affc39533d04f1b6bbe0350190615e84d863ac5ef7e2277823
Manifest9c3bb68a14b504b72cedd593175faac9333afaad2bddeadb64e92373b8f8e6e8

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
SignaturelDcj3rZC+AIu64id96FQ7rJf3KWtN20dmGfguceQlxRHWhgLNzD+u0Uhl2k8QSoEKayybWr4eZKpNn+SmrJfCA==
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

2026-09-17T11:09:32.228474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045723
observed 0309ed3b0d8a33affc39533d04f1b6bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:32.211421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045723/manifest.json
observed 9c3bb68a14b504b72cedd593175faac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:32.191380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045723/publication.md
observed addc1ff502b8d39df5e8c5768a40d4dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:32.172102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045723/publication.txt
observed 7e59135887f1f3a0d202e88536f8f499...
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.