OpenTechnical

OT-2026-000071679

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line 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-2026-000071679) never changes.

Identity and time

Publication numberOT-2026-000071679 · never reused
Internal UUID01a0ae92-1e91-7201-88e9-167d722f6dc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071679
StatusPUBLIC

Content hashes

Canonical text7f8eb7c7598a389fbc8e10a478647198b7f0e887a253bdefb998882cf35b3df5
Markdown13770b99a9b7539e9fc9a48de6553e13cd4a91bbf21624886e7aae7b32dd5a72
PDF
Publication page8580f228d62c2f200366789ea4bcc861a8366ee9cfaa72a15733632e4550a04a
Manifest109be720dac5a154150fc8fb07024078def07c1a96345edca09b00451a14aaeb

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
Signature0JKiwUnVRAn1IbmW8MB2llUXi/I8QgrQxYOAkk/sv8mQAMS0mJBv1gQ0SJ6pmeCl61pquCc9sgqpScgWiyBmDQ==
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

2026-09-17T10:23:43.207671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071679
observed 8580f228d62c2f200366789ea4bcc861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:43.181846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071679/manifest.json
observed 109be720dac5a154150fc8fb07024078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:43.156740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071679/publication.md
observed 13770b99a9b7539e9fc9a48de6553e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:43.128758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071679/publication.txt
observed 7f8eb7c7598a389fbc8e10a478647198...
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.