OpenTechnical

OT-2026-000011978

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000011978) never changes.

Identity and time

Publication numberOT-2026-000011978 · never reused
Internal UUID01a0ae6d-1942-7946-b4d2-f12c12b8337b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011978
StatusPUBLIC

Content hashes

Canonical textd0c61c67121d6b049c7570d77f73cc786739a755da29fe199b3e9df7ac36e882
Markdown9cbf4b0051bcbed0c6e884bc66cbb3a1603047d5878946340025b9f3e2e7b1b0
PDF
Publication page6417c126e02571777a21e03d6004dafb1f11c050ebf9b1d2d402226dba8c7322
Manifestff5ae9f8cce1e05f876c0a2a1887ee2f3b5e473417f6c4a684fa71c93986eaa5

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
SignaturewsZGWphsihYA9ZOzOrg4OGNmc/qnFVuxmIDspYinNyXRGVHSQAEyQ1HJ+zw0ztpgMvhgt1YosqMNx6GlKryXAQ==
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

2026-09-17T12:12:50.146397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011978
observed 6417c126e02571777a21e03d6004dafb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:50.125554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011978/manifest.json
observed ff5ae9f8cce1e05f876c0a2a1887ee2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:50.104500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011978/publication.md
observed 9cbf4b0051bcbed0c6e884bc66cbb3a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:50.085695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011978/publication.txt
observed d0c61c67121d6b049c7570d77f73cc78...
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.