OpenTechnical

OT-2026-000029537

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000029537) never changes.

Identity and time

Publication numberOT-2026-000029537 · never reused
Internal UUID01a0ae73-5e21-7876-87b5-5994ea8fa008 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029537
StatusPUBLIC

Content hashes

Canonical text0255941b3ce7bfebc26b692b7f4ff7f54d37dbbf1cc6599678e731adde93e89d
Markdown00052023c246d56f280aec5f63a772d08c06cd24b3a4883a410ec212a1d87d43
PDF
Publication pageaf22f3dcaa7ced273f724362c6e3c21e0fb0530c1a7c3b8bd45393187fed795b
Manifest1862c2cf22f304e3fd379853b18cef3247790c0087df09ccdc526fa6fac99f28

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
SignaturelyySPTijjvAYsN7W3uyZ/WgzJ5B6UT1b8Dl2WBYd2qgIXwypMUkRlosWSabKz3ENNQUXpynJWMMT9VihTZc8DA==
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

2026-09-17T11:39:11.528465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029537
observed af22f3dcaa7ced273f724362c6e3c21e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.511207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029537/manifest.json
observed 1862c2cf22f304e3fd379853b18cef32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.492805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029537/publication.md
observed 00052023c246d56f280aec5f63a772d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.472475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029537/publication.txt
observed 0255941b3ce7bfebc26b692b7f4ff7f5...
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.