OpenTechnical

OT-2026-000010019

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000010019) never changes.

Identity and time

Publication numberOT-2026-000010019 · never reused
Internal UUID01a0ae6b-cb79-7db8-ad23-1ffd8ebaa955 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010019
StatusPUBLIC

Content hashes

Canonical textddb36a56fd36264767fa8827302749fff76f129ea74c648bf27f9624d1550100
Markdownb03c3e8d1484f9a1c8511d058e4d1f2ae849e56d27f939135a9ed853ae809205
PDF
Publication page8cf5cc4d0c96c411741ff9a559462cebaebbfc3303f8dc419b993be16770ac72
Manifest3cafebab46f4bce0d81f143466886a7c8eb05883c92487b335d0a973ba01ac7c

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
SignatureTREk85GfQl6TmXI0aWj0QiG5smf8WuRNwJQJ0xHqT6of1r0VVoV2AItqnF58PtGqlGglR0wN5vOTJU8quZUYDw==
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

2026-09-17T12:16:04.627892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010019
observed 8cf5cc4d0c96c411741ff9a559462ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:04.609985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010019/manifest.json
observed 3cafebab46f4bce0d81f143466886a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:04.588606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010019/publication.md
observed b03c3e8d1484f9a1c8511d058e4d1f2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:04.568662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010019/publication.txt
observed ddb36a56fd36264767fa8827302749ff...
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.