OpenTechnical

OT-2026-000045683

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000045683) never changes.

Identity and time

Publication numberOT-2026-000045683 · never reused
Internal UUID01a0ae7d-8f04-74f9-8457-e98c54469322 · 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-2026-000045683
StatusPUBLIC

Content hashes

Canonical textc81422bab9314149520df0b1c0e3e12110fe7b65abadacdbabf578fd5974c703
Markdown2fd0d244ae83fe573e809f2bbf9d5b7e11f872bc6055285c22a4e318af7c9614
PDF
Publication page70e33060060d04c71b23cef80082adad58e7efee07652fad02b7d549e2f9d77c
Manifest0739151928aec89217ec2f6914689790345e3b7bdf44f6e2ce7e5320a1413961

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
SignaturetJgdTc4dCfzCGpl699z2U2ncMO1VOEDZrGbTa84KJoc7ZFQDABBMgxjSa0lsJiYeTN6EJwApe31X9ok+r4LcAA==
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

2026-09-17T11:09:29.033217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045683
observed 70e33060060d04c71b23cef80082adad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:29.014626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045683/manifest.json
observed 0739151928aec89217ec2f6914689790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.995505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045683/publication.md
observed 2fd0d244ae83fe573e809f2bbf9d5b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.977992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045683/publication.txt
observed c81422bab9314149520df0b1c0e3e121...
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.