OpenTechnical

OT-2026-000064595

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000064595) never changes.

Identity and time

Publication numberOT-2026-000064595 · never reused
Internal UUID01a0ae8d-deb7-782c-adcb-de367b595e93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064595
StatusPUBLIC

Content hashes

Canonical textc1acdcf14ee5b190a4278d90e90b5bfed5debc733fa0f1855e3c099768fbb55d
Markdown6db8bb61d898722bff188888ce4f6b2786335547f58fed3061bcee8e6e4eb331
PDF
Publication pagedf2301aeec942e9d6755613a8af3b2374098abeeffe87d5ae4b461879733a2af
Manifest1881e1a53075e3cde3983c21ed7f49f049273456e154e81c4ba0a9d106728fb9

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
Signature++ewvS0tPpTJqKovxwJD9LN3KyoY+cz5TLNUb1sDJthqH1ntLhvXQph47Ep2PlTwVlIR/JDwj4tZ5O/1yIVjBw==
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

2026-09-17T10:35:22.100972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064595
observed df2301aeec942e9d6755613a8af3b237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:22.083792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064595/manifest.json
observed 1881e1a53075e3cde3983c21ed7f49f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:22.065827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064595/publication.md
observed 6db8bb61d898722bff188888ce4f6b27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:22.047667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064595/publication.txt
observed c1acdcf14ee5b190a4278d90e90b5bfe...
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.