OpenTechnical

OT-2026-000077825

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, 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-2026-000077825) never changes.

Identity and time

Publication numberOT-2026-000077825 · never reused
Internal UUID01a0ae95-2ed0-7e44-b08a-a7ebb5cf14da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077825
StatusPUBLIC

Content hashes

Canonical text774c1afe1f0fd6ccada1f7286c856c458b9fbd7f3060f837966658f65a0c3592
Markdown413484d0fc52cf902fe9b9c85d83681e03635b8d0168d762682b3e5986fd0e4e
PDF
Publication paged1742bf6eb853d373e538361e687b5322b5b191694619b344607980d3e72fd9d
Manifest8f4488b32804d2b730acee7c075e157cf28926526c9ff15a0f14a403ca4c8fc3

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
SignatureKvfRFWy0g2Wf55j3WOnmGAMyG7bG9TQti591WW5n8Gtv/qDK/ZIb6LOz3gNJhSu7+Vv1L+CXT4wZz4BhPaRwDQ==
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

2026-09-17T10:07:25.079493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077825
observed d1742bf6eb853d373e538361e687b532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:25.060549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077825/manifest.json
observed 8f4488b32804d2b730acee7c075e157c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:25.042019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077825/publication.md
observed 413484d0fc52cf902fe9b9c85d83681e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:25.022171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077825/publication.txt
observed 774c1afe1f0fd6ccada1f7286c856c45...
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.