OpenTechnical

OT-2026-000075759

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000075759) never changes.

Identity and time

Publication numberOT-2026-000075759 · never reused
Internal UUID01a0ae94-29fe-75d1-9a49-7a292a2ae9ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075759
StatusPUBLIC

Content hashes

Canonical text8839065fd16d219858c5865039018634b0db754676f4b83c1eca94812b0587d7
Markdown7abf70510f089808fb0c0f94e498e025a0a6c4e1a44e055d3a846e7a95a5a761
PDF
Publication page12b7d0a352d7d9bf2983b3c8b420949df61be247e626b9630acca9453b16dd8a
Manifest2f6afb7a6c065a6f7b74fb3911c66895634787b65c587bcd19c063cf38f8c868

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
SignatureiQhEztTI4lBCHDXcN9YzX0SLv+3EKKXypGw6oeSH8IuZNCH2wBKtzdxalyNFTt4laGaqF8r2xR81cNQLuMKOCA==
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

2026-09-17T10:14:08.795893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075759
observed 12b7d0a352d7d9bf2983b3c8b420949d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:08.777983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075759/manifest.json
observed 2f6afb7a6c065a6f7b74fb3911c66895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:08.759728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075759/publication.md
observed 7abf70510f089808fb0c0f94e498e025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:08.741393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075759/publication.txt
observed 8839065fd16d219858c5865039018634...
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.