OpenTechnical

OT-2026-000034671

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000034671) never changes.

Identity and time

Publication numberOT-2026-000034671 · never reused
Internal UUID01a0ae76-1ed1-7177-8c89-7cdb875f9461 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034671
StatusPUBLIC

Content hashes

Canonical textc6e6970d1683a8a236b82ebdd0081c5a2a9ffca07476f4bf392e706a6cedc2f4
Markdowna4f4b9e8b5780805135ff918cb8a813e13f7eef409d3deb6bff910b4b16f20ae
PDF
Publication pagef5e90f0b105ab262ffdd589b91c0e4bcd58ad02e510c64aef42890c4f64ce039
Manifest5b46af07e7ab073920f7e36fdead82848d8f341b34fec9b12046e7036cea3fdd

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
SignatureDHgOnB47sqtUcHYqv5Mi5qLfyUFG1CSluzpCveyOCNFZj0NmoJkNwihnOq7HZIoLcmIACwMJY7i/9V9B0q/yBw==
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

2026-09-17T11:29:04.101037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034671
observed f5e90f0b105ab262ffdd589b91c0e4bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:04.078683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034671/manifest.json
observed 5b46af07e7ab073920f7e36fdead8284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:04.057495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034671/publication.md
observed a4f4b9e8b5780805135ff918cb8a813e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:04.036156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034671/publication.txt
observed c6e6970d1683a8a236b82ebdd0081c5a...
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.