OpenTechnical

OT-2026-000014974

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000014974) never changes.

Identity and time

Publication numberOT-2026-000014974 · never reused
Internal UUID01a0ae6d-d096-701f-969b-66d952868365 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014974
StatusPUBLIC

Content hashes

Canonical text550f7e0cb6ff0152d4832248f10003942f673f0d6b0c240d5325e1e4579a387a
Markdown8511c9c58e50d5c95b95fe61df6e09250935a6a242841d3bf01b02b2ad155ed7
PDF
Publication page07f42e5471f57c6745d4765a67c9145916097409922828924598881c5fa60fd8
Manifest65e7c506e4e3edacd6262418a8be7f65e936a2c5b753fe464eee1919701bec6e

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
SignatureEfnu3g8034xZrnISJ7zpPTIcsPPFcdOZ1gB4t3nnOMNeN3oqQ3vJb6sn3pJJSr0/0rInYujLA7bDDjLhjROeDg==
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

2026-09-17T12:06:55.926551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014974
observed 07f42e5471f57c6745d4765a67c91459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:55.908430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014974/manifest.json
observed 65e7c506e4e3edacd6262418a8be7f65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:55.890556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014974/publication.md
observed 8511c9c58e50d5c95b95fe61df6e0925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:55.873800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014974/publication.txt
observed 550f7e0cb6ff0152d4832248f1000394...
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.