OpenTechnical

OT-2026-000016534

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000016534) never changes.

Identity and time

Publication numberOT-2026-000016534 · never reused
Internal UUID01a0ae6e-2d13-7c97-bc4d-fb2993d04471 · 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-2026-000016534
StatusPUBLIC

Content hashes

Canonical textea5359dc754aa6a5e8d5d2498f6141a9ef7930ae69251cbcc76122bd494f8f90
Markdown4a92769ea1edce357d51dac9ae921030b9d63984fb017c02100c2e85f2bb873b
PDF
Publication page5e01cdee103786a46ec10e57f2cd207015fcc3a12cea3e3c182fb5937307e3bc
Manifestd51627f4e7bd64835c8c94f7a2a4728fb49073e8cc32be7363b10b6239ce2076

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
Signaturedhg9PrWD/9FqyKecm6R0OMH0/b5dwP0wFrQtHRO2qfLKFStknee3b2Pyj8Up9re63eu1I4G1s2WQCi9ZomCxDQ==
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

2026-09-17T12:04:45.265318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016534
observed 5e01cdee103786a46ec10e57f2cd2070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:45.246760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016534/manifest.json
observed d51627f4e7bd64835c8c94f7a2a4728f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:45.228069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016534/publication.md
observed 4a92769ea1edce357d51dac9ae921030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:45.210088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016534/publication.txt
observed ea5359dc754aa6a5e8d5d2498f6141a9...
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.