OpenTechnical

OT-2026-000025099

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pulsed blow-off before set-down

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-2026-000025099) never changes.

Identity and time

Publication numberOT-2026-000025099 · never reused
Internal UUID01a0ae71-2729-7a1b-add2-3a2c76aee085 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025099
StatusPUBLIC

Content hashes

Canonical textc6dc419f82e68fb5c2d1d37190d602134d02d99042b0fcc145d5b539223bac98
Markdown3d32133b8c4a8ad2b3feca499e05ac4827a8d09fd3747e1d4970659a32758519
PDF
Publication page8f09d9bc8aa894d4531ec856d26057b6113da0b851fc99b3f5847d385d99d27f
Manifestc56e5660d31e18efe6b6b62c76b465f48253a8a74829a94e8c3e3632a7d80cc8

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
SignatureOWtJ7Pdc380sHo3SZ2Q9H1Uz4ST/V688G6zlvGBkG+nCYFTvoreE8FTC01wPsvS8wOacyGmkj3FjPcs51WbCAA==
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

2026-09-17T11:48:31.214074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025099
observed 8f09d9bc8aa894d4531ec856d26057b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:31.190367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025099/manifest.json
observed c56e5660d31e18efe6b6b62c76b465f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:31.172004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025099/publication.md
observed 3d32133b8c4a8ad2b3feca499e05ac48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:31.153333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025099/publication.txt
observed c6dc419f82e68fb5c2d1d37190d60213...
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.