OpenTechnical

OT-2026-000089201

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single 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-2026-000089201) never changes.

Identity and time

Publication numberOT-2026-000089201 · never reused
Internal UUID01a0ae9b-db00-7f0f-b551-6a241d47e512 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089201
StatusPUBLIC

Content hashes

Canonical textd4e81f181a6d70d29dc4e236cc6195fca9b3bcee04df5edab671344cf66e9cc4
Markdown4773ed9f70bd79b33a1c4a9450d463847c1ba7ed67a9116bd8a41727651ce993
PDF
Publication pagef8099184e8d83d7e22effb23f41e36ba05ff3e62e223dcecbb3f731aebb7b6b3
Manifest70c437d677ba78e639e862875a3afac1f51357faf525db29cbcfd6d2d4e67836

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
SignatureQc25q08/CNP1IUd/319FpaOyvhWu9QVIFRjBAzGwA2/xhkX8TwYlYvbM0jRU9529iC6+DzdGV1/Kqx9ZWrzcDg==
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

2026-09-17T09:47:13.194447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089201
observed f8099184e8d83d7e22effb23f41e36ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:13.176417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089201/manifest.json
observed 70c437d677ba78e639e862875a3afac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:13.159575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089201/publication.md
observed 4773ed9f70bd79b33a1c4a9450d46384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:13.140904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089201/publication.txt
observed d4e81f181a6d70d29dc4e236cc6195fc...
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.