OpenTechnical

OT-2026-000087994

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, sustained 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-2026-000087994) never changes.

Identity and time

Publication numberOT-2026-000087994 · never reused
Internal UUID01a0ae9b-1aa6-7a22-9ddc-9bdcad27fbfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087994
StatusPUBLIC

Content hashes

Canonical text6cc0bab591a337035563cb3c2be66fd8a5972090cce5865d533e89e6aba381d3
Markdown5a3730e5a693e8873cacf1371491319bf800d9f2ce73f79410de7305fa1f5c88
PDF
Publication paged3c4e15857c0a7f986ec23f338c027da35c286256323522d18b96f7a81b9a0c1
Manifestde66f55d3206baff4dd90c0a5c175dc81607f39ce826f7fd83cf4a1c95286131

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
SignatureTs5aT6/tiDm/KTn0BkSKEdrUY7Qx2qg8VF29CSLjqYwEtKqMsiy73D38bsk7qzfxH7q5Z0cgh/LCKqtXbphgCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:49:17.919891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087994
observed d3c4e15857c0a7f986ec23f338c027da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.901463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087994/manifest.json
observed de66f55d3206baff4dd90c0a5c175dc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.884927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087994/publication.md
observed 5a3730e5a693e8873cacf1371491319b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.865983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087994/publication.txt
observed 6cc0bab591a337035563cb3c2be66fd8...
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.