OpenTechnical

OT-2026-000101021

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000101021) never changes.

Identity and time

Publication numberOT-2026-000101021 · never reused
Internal UUID01a0aea3-c377-77fd-a1a0-9493cb94ed80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101021
StatusPUBLIC

Content hashes

Canonical text6e66e19fb40db4d1c60450d01788d187e7da60a0f6394653316e969e6f6aea63
Markdowndd5fc817474b911efe70b9e79e7e1f0244a94519ed7eb24687ba0d6bafb41c4a
PDF
Publication pageb9a568895027f196741a70f9f727e85943ecbf3f6019e17e539b5941fa5b79fa
Manifestb0956c455ac867ef3a9b6a0860faa7682242722f0793e9e252054ac6110a4c44

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
SignatureN2ObmbS3lULzJWqihPcorbpbIwTfXWEjXZkFHkF8ktkS1yf5ojY/pg+tmcGaQql4Y+FKBu6xZw3tWhzMGaXYDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:37.575929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101021
observed b9a568895027f196741a70f9f727e859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:37.554174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101021/manifest.json
observed b0956c455ac867ef3a9b6a0860faa768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:37.533432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101021/publication.md
observed dd5fc817474b911efe70b9e79e7e1f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:37.514580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101021/publication.txt
observed 6e66e19fb40db4d1c60450d01788d187...
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.