OpenTechnical

OT-2026-000072651

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four 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-2026-000072651) never changes.

Identity and time

Publication numberOT-2026-000072651 · never reused
Internal UUID01a0ae92-89d9-79d6-acaa-3920133a73f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072651
StatusPUBLIC

Content hashes

Canonical text533821da2f5d42d7d2ed6c3d00b50bb918e7a641d66f94a4eb990cb3f35ce869
Markdownf934843018ed970892f67f70a9916121ef0b6105227e82254d1249be7453c3dc
PDF
Publication page66841416bb0731bfb371b6fd48e60619bb3cb43f686466d6734cf06d4be656b0
Manifestee94b58732b83399b65eee02be99fec1125550d1358c35c293b292db69144b63

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
SignatureyI90/7V4uYZPsJ6A32J81PpU8hA6XhWxsRXYDS0cbRmoJO9bacdLtzNwwWtw+HYbyJuj9Ibrxr+WkCyNEDTfAA==
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

2026-09-17T10:22:31.015589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072651
observed 66841416bb0731bfb371b6fd48e60619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.999469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072651/manifest.json
observed ee94b58732b83399b65eee02be99fec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.978172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072651/publication.md
observed f934843018ed970892f67f70a9916121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.961017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072651/publication.txt
observed 533821da2f5d42d7d2ed6c3d00b50bb9...
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.