OpenTechnical

OT-2026-000073967

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000073967) never changes.

Identity and time

Publication numberOT-2026-000073967 · never reused
Internal UUID01a0ae93-2b8e-7c24-ae6d-0d449d96d175 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073967
StatusPUBLIC

Content hashes

Canonical text37ecc6d0759d9b071fc5a7692dd09c691f79b7db1fe8a7c22e21287735ea79f7
Markdown758c82ccd3da48d444a31a0ba794a3bd513965996edb30e13d6fbf3eb3841c44
PDF
Publication page467e467512384de06212053039a0c97848912f87fbf27919db61b2a39274de5c
Manifest01f3f1c0077e9ff1accd02ce32d60964f80f8742c27a81e1612353ca2b184349

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
SignatureL8WFTVDGuhZlB9saryTZhFqWNBErrV9lbpZ9ec6ODf96sF0//giK/q8YQcaPuE+54WnyDdbnBkxLPhMI0/baCw==
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

2026-09-17T10:20:15.614348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073967
observed 467e467512384de06212053039a0c978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.592135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073967/manifest.json
observed 01f3f1c0077e9ff1accd02ce32d60964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.574168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073967/publication.md
observed 758c82ccd3da48d444a31a0ba794a3bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.554328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073967/publication.txt
observed 37ecc6d0759d9b071fc5a7692dd09c69...
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.