OpenTechnical

OT-2026-000031802

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, pulsed 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-2026-000031802) never changes.

Identity and time

Publication numberOT-2026-000031802 · never reused
Internal UUID01a0ae74-bad1-7762-99a1-0979bcef7edb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031802
StatusPUBLIC

Content hashes

Canonical text38732d3529892c6beee4f11ad2404e8b3b0acf44e90a99c337779e3f3a375c19
Markdown9a450adc1203e961b676f0d20e52b2d2d2c0b7da986af7c80c562669880a64e8
PDF
Publication page02864d642450c79b506b6133b7c69d89661dbe789ccc6e4588962d1d8b452a6b
Manifest00553f3ea27d34a472c3839c805c564344aab630f5a3ada07c977347acd0a121

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
Signature4z2uxy6eUMO+Zr5uVgQLE6YQvlTDjsbZ4UdM5SLEO7TC0Wl8ifn4sRdMxEnMI5m30Y1Kemd2fwbHeHWutt2/BQ==
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

2026-09-17T11:34:56.479007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031802
observed 02864d642450c79b506b6133b7c69d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:56.456817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031802/manifest.json
observed 00553f3ea27d34a472c3839c805c5643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:56.436282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031802/publication.md
observed 9a450adc1203e961b676f0d20e52b2d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:56.413201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031802/publication.txt
observed 38732d3529892c6beee4f11ad2404e8b...
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.