OpenTechnical

OT-2026-000075587

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold 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-2026-000075587) never changes.

Identity and time

Publication numberOT-2026-000075587 · never reused
Internal UUID01a0ae94-29fd-7f05-a38a-8dc943133b9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075587
StatusPUBLIC

Content hashes

Canonical text2328e56a4a82cb181ace10203cae4074946a902663c392d3603240f4079d1f09
Markdown444580ee901b402010967556f832aab427eaf2052acceb245f168a0d4172c111
PDF
Publication pagecda70c1eec1ff3d9bebbcf410a575231173c02427045210a415570fdbd6de872
Manifestfbdf669f13d087ea8a82dd7bd07cb606b51c8d3072163f8911f09ec593c6005c

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
SignatureaWhCkDyA6x+5c8CmYE9F5fqYafezr6v4bbv+ekHrQmDziApRzfM0vH2c+jK+KHk24DqPhHd1f9ayftaKAKt9Cw==
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

2026-09-17T10:13:12.990808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075587
observed cda70c1eec1ff3d9bebbcf410a575231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:12.973703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075587/manifest.json
observed fbdf669f13d087ea8a82dd7bd07cb606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:12.954610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075587/publication.md
observed 444580ee901b402010967556f832aab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:12.815982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075587/publication.txt
observed 2328e56a4a82cb181ace10203cae4074...
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.