OpenTechnical

OT-2026-000040371

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000040371) never changes.

Identity and time

Publication numberOT-2026-000040371 · never reused
Internal UUID01a0ae79-2701-7bd0-a6cb-a015b8a5a808 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040371
StatusPUBLIC

Content hashes

Canonical textd2902f168b42d26e6d7b466f5fd2991a39d2a0e69dbb54d04507dbbb6139ce64
Markdown68836280ce391529887fc26f36ff65d08fb1152d1b2b8b35ced7a68a72bd6b9a
PDF
Publication page7fc15ab58cc68e709d252ee19e229ec8e322c85527a9859e3bf5a1412dcdba99
Manifestacf380a81c112d59fab74e4ea5e861f5792cf6ea7bd1d73e9336f501cc1fca61

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
Signature6ZDgpGqeq9BH48dsaXQUafyB5WcRpqaigaAo11iXgY64Qz0ds09BAes1ZUv+MH6I2BNds0NCtt1+mW2nv/cQAQ==
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

2026-09-17T11:19:23.318790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040371
observed 7fc15ab58cc68e709d252ee19e229ec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:23.301352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040371/manifest.json
observed acf380a81c112d59fab74e4ea5e861f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:23.282194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040371/publication.md
observed 68836280ce391529887fc26f36ff65d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:23.263619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040371/publication.txt
observed d2902f168b42d26e6d7b466f5fd2991a...
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.