OpenTechnical

OT-2026-000043606

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, sustained blow-off after 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-2026-000043606) never changes.

Identity and time

Publication numberOT-2026-000043606 · never reused
Internal UUID01a0ae7b-92d0-7b56-bbbf-89716921fe2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043606
StatusPUBLIC

Content hashes

Canonical text414ea4f0bd1c495d939c078bbcba6b3acba899ba4fa3023d4491f0f8565168d6
Markdown07a71da310717fde76b4fc0f11eabd701ed01520e5d79b2055a9c64695d3ffef
PDF
Publication page399ff99beecfff16fdce2f38eee5b7b05a61c689fc138ac593c0171ccbf45b67
Manifest2d613289bffcfc3ae9cef4bb84a0ef788161c50ecbc00cfc21105886abc1cb21

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
SignatureOeweIhGa25Kb8k8xHiGsrsa9T7qXye5bBw711XEO3E5Uj12V8bTlMVW2A16AYS24qNi1xIOeKAWoNhJ76D+jDg==
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

2026-09-17T11:13:00.856002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043606
observed 399ff99beecfff16fdce2f38eee5b7b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.835985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043606/manifest.json
observed 2d613289bffcfc3ae9cef4bb84a0ef78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.817347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043606/publication.md
observed 07a71da310717fde76b4fc0f11eabd70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.796486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043606/publication.txt
observed 414ea4f0bd1c495d939c078bbcba6b3a...
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.