OpenTechnical

OT-2026-000017753

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000017753) never changes.

Identity and time

Publication numberOT-2026-000017753 · never reused
Internal UUID01a0ae6e-96fa-7208-a76c-42b21520fa49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017753
StatusPUBLIC

Content hashes

Canonical text8ade264e839126041f7015303bff72e913001b22ebf21c6a989c792afefaf1fe
Markdownadaa9b09ade5441ab0a802f92e7db9b4204a43101cf2e515990a1d6d134aa021
PDF
Publication page88e1530b8d0f61442e28a2f4edd31c98750b218cb9338377d54ea0985ea303ad
Manifestd08173fd5abde8718985649b02531d7648c2de9ead8f2c509c80b8df89e8fdee

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
SignaturepQyXXxLYYBcDl/GuK0eCBI1s7rfmm4/mzNJ1PYo8PLfSTcfbfmNXgdQe2DTvdUXkKtiAxRkJhA2R+RLnatUqBQ==
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

2026-09-17T12:01:42.494394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017753
observed 88e1530b8d0f61442e28a2f4edd31c98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.479913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017753/manifest.json
observed d08173fd5abde8718985649b02531d76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.463512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017753/publication.md
observed adaa9b09ade5441ab0a802f92e7db9b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.447347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017753/publication.txt
observed 8ade264e839126041f7015303bff72e9...
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.