OpenTechnical

OT-2026-000007547

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000007547) never changes.

Identity and time

Publication numberOT-2026-000007547 · never reused
Internal UUID01a0ae62-4df6-7d99-8eca-ee5da121f9f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007547
StatusPUBLIC

Content hashes

Canonical text100be9b002aa5a805fca355554198ea3c981954d830710bda0625cec1b6cf129
Markdownefa040326e645fd3c592a18462864e963982244e504225321d8d9a249e1ff8d7
PDF
Publication page3b30edc3cdfbac5125893f4bdc9f9c9b432e57b17cb4104f0725fe64d1c9f322
Manifest3755bede38cf46ac467d1a663944ef1433fbdc13475744a8db386460f2b5db69

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
SignatureN1Py+f8MZYjwpfifVwvrBjSc7yiEh6TueLD6r+PEj4SZ13T4v7UWA/ald2wyXiv3MJnxIv7Z0nhsN5cXSfWtBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:23.508375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007547
observed 3b30edc3cdfbac5125893f4bdc9f9c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.491764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007547/manifest.json
observed 3755bede38cf46ac467d1a663944ef14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.474234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007547/publication.md
observed efa040326e645fd3c592a18462864e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.445694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007547/publication.txt
observed 100be9b002aa5a805fca355554198ea3...
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.