OpenTechnical

OT-2026-000010113

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000010113) never changes.

Identity and time

Publication numberOT-2026-000010113 · never reused
Internal UUID01a0ae6b-cb7a-7a5f-8ae7-1ab290c943a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010113
StatusPUBLIC

Content hashes

Canonical textffe22284f9cf10c7d18ce32df164ccca8dfc3edf6c280b382d2d2c8e11bf6911
Markdowndfb6f34e462052128a257aa35a67ee3294f5f1050465d4e02790c57e03d1f91b
PDF
Publication pagee7f1534bad0472bb7722eb7ecfe819d4095e478702ef606428b62b45add17ffc
Manifestd4cfe19cc29c57d4e2b0b64be95b289e5529a8f61d37d9152040cf273e894ecc

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
Signature3cl1v+ImB2qTmVEIMUiCt70CTgWkeJrpEWzHhW18+xQZnBtdLYS5CtN22zV1apMBZ+vl/hCGd4rohSUop8wyAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:16:12.243951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010113
observed e7f1534bad0472bb7722eb7ecfe819d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:12.223934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010113/manifest.json
observed d4cfe19cc29c57d4e2b0b64be95b289e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:12.205715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010113/publication.md
observed dfb6f34e462052128a257aa35a67ee32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:12.188108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010113/publication.txt
observed ffe22284f9cf10c7d18ce32df164ccca...
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.