OpenTechnical

OT-2026-000083090

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented after 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-2026-000083090) never changes.

Identity and time

Publication numberOT-2026-000083090 · never reused
Internal UUID01a0ae97-c962-7372-b23c-abc0bcdf5854 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083090
StatusPUBLIC

Content hashes

Canonical textad87cdaf6903fa5b07689f3487dbc16b86e611ef75c7b970bb2755307de47660
Markdowne1a917d1c7b050f3cd6066d8a67a56b295bc4ec81cf9ff7b3cfe7680d06f41a4
PDF
Publication page2eab25c03433b584bb6e91db090f1ca789c74c14e0e9fa506c64b998ab08b15d
Manifest3347c4f67de321ec20a09b61c27c0ecb96b0ed24ab2f86d5b0a747bdeb239bd3

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
Signaturel1jjzW0eoqnqokgMvOLHJjGsRP/5YI6z/20fl3ujIhOXDDjWToljNbdZoTCCwIRk3Fe4OBfZczInb8XFw0FoCg==
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

2026-09-17T09:00:36.397844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083090
observed 2eab25c03433b584bb6e91db090f1ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:36.379654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083090/manifest.json
observed 3347c4f67de321ec20a09b61c27c0ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:36.360546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083090/publication.md
observed e1a917d1c7b050f3cd6066d8a67a56b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:36.339038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083090/publication.txt
observed ad87cdaf6903fa5b07689f3487dbc16b...
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.