OpenTechnical

OT-2026-000064564

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000064564) never changes.

Identity and time

Publication numberOT-2026-000064564 · never reused
Internal UUID01a0ae8d-a462-779e-9073-52e7ab05f573 · 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-2026-000064564
StatusPUBLIC

Content hashes

Canonical textd2861affa962c80749cbf62f27d7484553d1bb6bde293b0d145a9a797e3cddc1
Markdowne0f18e1998f7658582677e76bd961a38070eac21a6c968f48b963cd5a1c045fb
PDF
Publication pagee77e3c63308457e57e02a15e58fde2c99d3e86cd5d0097b3ecc83817ed47a2f0
Manifestd42a93474e1c1ff8544e77cdb2d3e518657713402109c8932ba7fd8692aee052

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
SignatureeRJBzxeLYkhMij/y3WGKT0pSMmms6rwwnTp2ldG6KIiwIe5HMVDU4fOVyXEWB90lzkgXdU/d9fzA5mQTw/X8Dg==
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

2026-09-17T10:36:47.345102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064564
observed e77e3c63308457e57e02a15e58fde2c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:47.327669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064564/manifest.json
observed d42a93474e1c1ff8544e77cdb2d3e518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:47.307373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064564/publication.md
observed e0f18e1998f7658582677e76bd961a38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:47.288176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064564/publication.txt
observed d2861affa962c80749cbf62f27d74845...
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.