OpenTechnical

OT-2026-000093150

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000093150) never changes.

Identity and time

Publication numberOT-2026-000093150 · never reused
Internal UUID01a0ae9e-0910-7ea0-b2d7-013d7baf2ed5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093150
StatusPUBLIC

Content hashes

Canonical text7fcab744f42f38e40bbffd3ea4b22ccf150350873cdab0acd176b2fe3b2d707f
Markdown985b3d3b90a15ff1ca32d6cb09fdafef409197b57d97b2fdee1e704a8c798778
PDF
Publication page72eda2d266d5be88d05fabb4508077bf75e85013f6c738f40d54f133f4fad3fa
Manifest9ed60d3df51ccf1290168d7daed56d3fb2940cbc36b6fb1b84e03caeccdd4ba7

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
SignatureTwRiqvZJoakRJPoJvcKe0hUh6mB2Tko7sJfo1CeGRQ4em9l3hFTjTqJAALg8erowyuNmOsXwyJ/F9/vkwBKbDw==
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

2026-09-17T09:40:26.758920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093150
observed 72eda2d266d5be88d05fabb4508077bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:26.743427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093150/manifest.json
observed 9ed60d3df51ccf1290168d7daed56d3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:26.712940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093150/publication.md
observed 985b3d3b90a15ff1ca32d6cb09fdafef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:26.673540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093150/publication.txt
observed 7fcab744f42f38e40bbffd3ea4b22ccf...
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.