OpenTechnical

OT-2026-000063240

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000063240) never changes.

Identity and time

Publication numberOT-2026-000063240 · never reused
Internal UUID01a0ae8c-94ab-751b-8213-9b162a11180e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063240
StatusPUBLIC

Content hashes

Canonical text0207451c32ecae813a7937be783f67c87faff11fab81647aa08261cb4faba41b
Markdownf304fe8d1a12be55810e0f1849987031345aa34512ecdb9feb7cb1b0ed8b0e8e
PDF
Publication page63862c20dda2f133b20f5131d10aaa8fdf86b1eeb3c8d87e5c2cbbef6293b61d
Manifest3f0d7e244ab211939e35dd1de0e48c79b8079e7ee6e0fe4c1b5089574b0e648b

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
SignatureJQ0Xt15ALBf/PLqfj5jfsJMlPAxkJXlagaARZdLUYlyLlysP1keCROD3U5+h6FG8HblEIe+63oOC44o2zWKcDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:07.342378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063240
observed 63862c20dda2f133b20f5131d10aaa8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:07.326000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063240/manifest.json
observed 3f0d7e244ab211939e35dd1de0e48c79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:07.308952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063240/publication.md
observed f304fe8d1a12be55810e0f1849987031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:07.292617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063240/publication.txt
observed 0207451c32ecae813a7937be783f67c8...
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.