OpenTechnical

OT-2026-000034243

Publication integrity record

Three cup vacuum gripper, three 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-2026-000034243) never changes.

Identity and time

Publication numberOT-2026-000034243 · never reused
Internal UUID01a0ae75-df0d-7161-ab05-3f03ad7d473b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034243
StatusPUBLIC

Content hashes

Canonical textcfaacbd6472125aa9a4209a2f8deb4412cd326768c2d218bd7e17d807a52b2c5
Markdown41953d96cda48ffad4ba445b6bddd13fb0d3c3504c0480c6eba69dc87ed5c281
PDF
Publication pagefde92c584f06326a3f68a00d5cf4e68af0a2a79f519a9575b492ba3ac87fa62a
Manifestf3d4e987bb2c9c73af7fef31dfa8dfb59b6809855b60a730ef469e428ea33b02

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
SignatureKH2r3zD+tRq1uMTVp4Cb7EwjZi8F2/JMytegmlxJBbijoFb+T6wrFJsiXlcnsiwZHB1+J4ofRW5rS7Xht9BxCQ==
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

2026-09-17T11:30:47.896796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034243
observed fde92c584f06326a3f68a00d5cf4e68a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.874186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034243/manifest.json
observed f3d4e987bb2c9c73af7fef31dfa8dfb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.858401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034243/publication.md
observed 41953d96cda48ffad4ba445b6bddd13f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.840059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034243/publication.txt
observed cfaacbd6472125aa9a4209a2f8deb441...
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.