OpenTechnical

OT-2026-000064191

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, 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-2026-000064191) never changes.

Identity and time

Publication numberOT-2026-000064191 · never reused
Internal UUID01a0ae8d-a45f-78e6-b1f4-8b1b20715990 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064191
StatusPUBLIC

Content hashes

Canonical text0df1a2621f13855461a8f2a8e3bf7febb18b24a807b47bd2ed3928a28dd5f286
Markdowne264e692b53e2c054e866585bd0b4eb986525e22937a7b3860ef7ca009cb6681
PDF
Publication page759dd4c72596ad804871e1b699e98c45a7b0f223860da93d96bc0d6880cd32b3
Manifest1a05f516195245100800790b348f359d3ecaaa72e02e0f900e716734a95c8843

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
SignatureKPSNBbgvw7O1kdDiIxZaMuF6IVNGDhnw4kDjgICSGxCTnrSdT+N9J8gL1YR+59b1vegE2JLzJpElRlzpHosgAA==
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

2026-09-17T10:36:18.187912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064191
observed 759dd4c72596ad804871e1b699e98c45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:18.167073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064191/manifest.json
observed 1a05f516195245100800790b348f359d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:18.144855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064191/publication.md
observed e264e692b53e2c054e866585bd0b4eb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:18.127242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064191/publication.txt
observed 0df1a2621f13855461a8f2a8e3bf7feb...
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.