OpenTechnical

OT-2026-000045415

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, 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-2026-000045415) never changes.

Identity and time

Publication numberOT-2026-000045415 · never reused
Internal UUID01a0ae7c-f76c-725a-9c8f-f18c8ed71e96 · 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-2026-000045415
StatusPUBLIC

Content hashes

Canonical text09e438110903a3c825e355967c9f707b8f4ee544fb5c3ff010cbc6a0805328ce
Markdowna63243ac05adae99133df4da52bc03a00fcd2068377e9acd1bb0282f029caae0
PDF
Publication pagee9543886ed6a71b5f01571a41d5a3b3e16a0b1f449eefbfa7d87f4382445b8ab
Manifest352e166daa112427f4571dd56f93d6f5ccc7e0fb622f34d3c9b4a26c26168f54

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
Signature7x0XSK1l/21W9B5epD6wftBooKOOe3y+y5AVhA2fyosrMtr3X9Ps5TABdOtr9Qu5LPNmlhP4LS8KPfGMGOvaBA==
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

2026-09-17T11:10:42.377550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045415
observed e9543886ed6a71b5f01571a41d5a3b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.358552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045415/manifest.json
observed 352e166daa112427f4571dd56f93d6f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.340358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045415/publication.md
observed a63243ac05adae99133df4da52bc03a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.321200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045415/publication.txt
observed 09e438110903a3c825e355967c9f707b...
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.