OpenTechnical

OT-2026-000012772

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000012772) never changes.

Identity and time

Publication numberOT-2026-000012772 · never reused
Internal UUID01a0ae6d-5562-7555-8351-ccacde1d5329 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012772
StatusPUBLIC

Content hashes

Canonical text98db64cb8e32c57a842bdd505f179a0c15f56f8c912b67fa36ece66a0fdce2e5
Markdowne8f0bd46fe4776d65983e478c4b5ecc152dcaed38874dabfe1c203a90799d5f6
PDF
Publication page74c389a65af0a2e4af21b688f9d2882738ebd2c22c529bfb9954a8559c523332
Manifestacffbdc1d511edfdf84fdd9e479027815dbb39681ba9b7bd49d9a5b7ecfe5795

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
Signature1crKzxBgpVCGhDy8dc1ao2mbkgAp8Rn2Tr2iNfhI1p9hVtLoBzjL4s7zHw6LlEHLJWTbeXdvjm51e94g9ZEPBA==
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

2026-09-17T12:10:29.200791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012772
observed 74c389a65af0a2e4af21b688f9d28827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:29.169495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012772/manifest.json
observed acffbdc1d511edfdf84fdd9e47902781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:29.137324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012772/publication.md
observed e8f0bd46fe4776d65983e478c4b5ecc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:29.094674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012772/publication.txt
observed 98db64cb8e32c57a842bdd505f179a0c...
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.