OpenTechnical

OT-2026-000045719

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000045719) never changes.

Identity and time

Publication numberOT-2026-000045719 · never reused
Internal UUID01a0ae7d-8f04-7abc-b8fa-a913f416d30e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045719
StatusPUBLIC

Content hashes

Canonical text3a9cebd38be321ea06d237789dc05c6a50eb6ca5fcac5fd8135203da53c7fa67
Markdown0cff0d3d10fd1acb870c97c01faa98f46be6929a676caf02496006969cab46e3
PDF
Publication pageefd85dc3a39f896d22246a77ba43d9fd3b453c81c97de8b83d7d9d094d02bb0b
Manifestc8437b001ae256887bbaab9e24ba318afd17ec1cb02f11bf8c315612fa6480f5

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
Signaturec69p9XN/zpDI/zseymP7Z0CRXl5oHA4LMlAqTIaFoZ1kSlBn1KQVy0L2S89AkQgOoyNacZXXosOQgyxpv3PyDQ==
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

2026-09-17T11:09:31.907826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045719
observed efd85dc3a39f896d22246a77ba43d9fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:31.888874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045719/manifest.json
observed c8437b001ae256887bbaab9e24ba318a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:31.869984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045719/publication.md
observed 0cff0d3d10fd1acb870c97c01faa98f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:31.850251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045719/publication.txt
observed 3a9cebd38be321ea06d237789dc05c6a...
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.