OpenTechnical

OT-2026-000032530

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, pulsed blow-off 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-2026-000032530) never changes.

Identity and time

Publication numberOT-2026-000032530 · never reused
Internal UUID01a0ae75-106f-7ee8-b456-a13ec8a6bedc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032530
StatusPUBLIC

Content hashes

Canonical text0b90aa850d4fa56ccdeb6447d92acf3d19e5a13859129597dd54d901fd2e101d
Markdownee307cf04d81300924ec8742b4e9a3808ceaba1c8a1c11a26416e267e4d5d654
PDF
Publication page90ce8ab0c25ba1ccd0055352092cc6985b5bb83323c8f48b1c6614d5fde7e5e9
Manifest382ba1ae8819a25e85afd725dc1ce92fe4c19908857e81a34e06609ee33329e6

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
Signature+noxO31ZmC8MrAtV9eKl8/hwmqk7+SIpe0q7a1P/3JsUtWVJhGTJkAcdaVUjshRJACCFBmqn8OfGL9DJ9t2NCA==
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

2026-09-17T11:34:05.372214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032530
observed 90ce8ab0c25ba1ccd0055352092cc698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:05.355878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032530/manifest.json
observed 382ba1ae8819a25e85afd725dc1ce92f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:05.338412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032530/publication.md
observed ee307cf04d81300924ec8742b4e9a380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:05.319277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032530/publication.txt
observed 0b90aa850d4fa56ccdeb6447d92acf3d...
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.