OpenTechnical

OT-2026-000016164

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum 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-2026-000016164) never changes.

Identity and time

Publication numberOT-2026-000016164 · never reused
Internal UUID01a0ae6e-2d10-74e5-b4ee-6ca8fef45aca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016164
StatusPUBLIC

Content hashes

Canonical text8e35d672764d4c847d14008bb0ea4f7ac52cbb045a6ed2ab9c9bdaf8be709000
Markdown94e51dee0d6bc2e01944a308b12f21b7d7b534dc93937db1cdfdc9e5f538aac1
PDF
Publication page25adb16e2d9d7a1898be6775bbc07145b9088de85e1b362b2989bc89073d6a61
Manifestfb49d450aeb6312ca0f8b9f6d16c1c41a4a228f0e86276335aa84548add97a9b

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
SignatureuY4YqbrA/VYTfrnsdPULDI6iYwks7TmFOsbPEloe9j9IdZPlGL8sQROBt6aCSlglbsDmvKeuR0VcFEvYTBXgAw==
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

2026-09-17T12:03:36.581924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016164
observed 25adb16e2d9d7a1898be6775bbc07145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:36.562059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016164/manifest.json
observed fb49d450aeb6312ca0f8b9f6d16c1c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:36.543910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016164/publication.md
observed 94e51dee0d6bc2e01944a308b12f21b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:36.525831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016164/publication.txt
observed 8e35d672764d4c847d14008bb0ea4f7a...
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.