OpenTechnical

OT-2026-000064935

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000064935) never changes.

Identity and time

Publication numberOT-2026-000064935 · never reused
Internal UUID01a0ae8d-debd-7d84-89c2-90a3741ce47b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064935
StatusPUBLIC

Content hashes

Canonical text406c019db213b4dd3b62f39a152e4ebd3286321a82ed757be96b135ebf0927fd
Markdown0a3aab01a071bfe50f09bc9fbe3fd17eb83f0da6fbaa7b49a1dda0a31e786d55
PDF
Publication page7e0357f00dd0680cc8ecfba8ce2d955a1818f0a5f61d3526054e053a455aeb60
Manifest610022ad4c4f1da9dad5fcf1523580e84ae4d0a1bebc7d863a693b2e410b5e5d

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
Signatureo7jaJvKojChBXXCRugtLDdHg1BiwbUeOTHsqH954bzGjYqvdgw8++Mx/bmLN8QpgvoT4uWaRzdYYn2gZ0M3XCg==
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

2026-09-17T10:35:52.358584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064935
observed 7e0357f00dd0680cc8ecfba8ce2d955a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:52.342373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064935/manifest.json
observed 610022ad4c4f1da9dad5fcf1523580e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:52.325556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064935/publication.md
observed 0a3aab01a071bfe50f09bc9fbe3fd17e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:52.307256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064935/publication.txt
observed 406c019db213b4dd3b62f39a152e4ebd...
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.