OpenTechnical

OT-2026-000044843

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000044843) never changes.

Identity and time

Publication numberOT-2026-000044843 · never reused
Internal UUID01a0ae7c-911b-75c3-8967-bbbb63f22add · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044843
StatusPUBLIC

Content hashes

Canonical texta1a28c3bce12cccbdef45310e122edbeb612f8f76edb22dcb0f4d891f2c8f841
Markdown5e8aa9ef0ddbd6b84a6afb264c665d9644d93a0ad0a763a57c9ed850ccb45d40
PDF
Publication page3da587f210edd54fb42f6cd49601ace7a8220b8ea297ba26e36ef99473810771
Manifest8246234943d9644dc9cf63045177248f8adaae2cd26bf3931c0f752587b51b54

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
SignaturefOTKupmTiiRnpGx/Bqi3U78E9C3aM78uOZrmAmYtdG/r08FwYKbAxFYj+nmkfcCjhZ4d5spQuxr/U4n82tRRBg==
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

2026-09-17T11:11:29.166183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044843
observed 3da587f210edd54fb42f6cd49601ace7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:29.147959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044843/manifest.json
observed 8246234943d9644dc9cf63045177248f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:29.127367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044843/publication.md
observed 5e8aa9ef0ddbd6b84a6afb264c665d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:29.108506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044843/publication.txt
observed a1a28c3bce12cccbdef45310e122edbe...
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.