OpenTechnical

OT-2026-000021085

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000021085) never changes.

Identity and time

Publication numberOT-2026-000021085 · never reused
Internal UUID01a0ae6f-65e5-7d17-b61d-27234a3c07e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021085
StatusPUBLIC

Content hashes

Canonical textfeff0db0173c3a17b9fa0e1da99c9e812c5a9ecc2ec56e1479619a5097202aba
Markdown9aa43db1ea62771e03ffbafc95e7827f4e496ae11457d8c9f31a0d1d10f3d174
PDF
Publication page8a2e930d0d769c4c4d2b91ec563418e635f55eecbef227b84c4e1a105a51780c
Manifestac2ab6237f1c0753fe7accaec952c7cfd50667482e61a83e13317b9a396fd856

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
SignatureBSENZzpVXbDDPvQ7uDgJaSvG+MA/c9mMJcTUe7i+iaA++AGxmJ7oeC6k/X19NQFaIiXY8r00TGAhI7X6qLtADA==
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

2026-09-17T11:56:22.197854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021085
observed 8a2e930d0d769c4c4d2b91ec563418e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:22.174997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021085/manifest.json
observed ac2ab6237f1c0753fe7accaec952c7cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:22.151354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021085/publication.md
observed 9aa43db1ea62771e03ffbafc95e7827f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:22.124771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021085/publication.txt
observed feff0db0173c3a17b9fa0e1da99c9e81...
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.