OpenTechnical

OT-2026-000017976

Publication integrity record

Six bellows cup vacuum gripper, 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-2026-000017976) never changes.

Identity and time

Publication numberOT-2026-000017976 · never reused
Internal UUID01a0ae6e-96fc-7950-b9c1-60dc79c8b978 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017976
StatusPUBLIC

Content hashes

Canonical text30e350cb019b697cd71ab218bdf2db586b24042ad47f2194137832cb369af0ec
Markdown4b6f633d53259eefd97de151b8a72b5d052f96ea4e5dd83af26f02a4ce1d6377
PDF
Publication pagec8358b1b11ffc43998afadd6c4b96289110394b9299804c8beb0b0c846a8b072
Manifest6d09172144c85d42351d42d396014932da3c74c3d862c18b7a59766d7d0e210e

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
SignaturesEEV8knSdylFMKnWCi+Y9ZfGGcsdyu/rzDyCI4kIsF8sYhWVvKn57qTEL3ejVRFMJqE73/sVR8OUi6QE7M7ABg==
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

2026-09-17T12:01:59.542649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017976
observed c8358b1b11ffc43998afadd6c4b96289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.525247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017976/manifest.json
observed 6d09172144c85d42351d42d396014932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.509843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017976/publication.md
observed 4b6f633d53259eefd97de151b8a72b5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.492328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017976/publication.txt
observed 30e350cb019b697cd71ab218bdf2db58...
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.