OpenTechnical

OT-2026-000087958

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000087958) never changes.

Identity and time

Publication numberOT-2026-000087958 · never reused
Internal UUID01a0ae9b-1aa6-74ac-a409-5cc8d261b84e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087958
StatusPUBLIC

Content hashes

Canonical textcaf8ea8db5d8e6535ec3cf7cf9e104f5355fc1280b109254068fd9bb321fc941
Markdown3893bd2a7fb6c8df4d6ba832918a4a342ec72e88ffdd7c83d5b0d3d25fd1ed4c
PDF
Publication pagee29f7d787d40baa19cda53307ff036934753180dc004806dcdbc19b5ae4fb285
Manifest0f1cb3f7fb58f67ad34c5528d4fb16fbc244d7e67d62f04e6db5c706a53eaa5f

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
SignatureLGYaAjs2LP6mOGAiIKcEYDPfzutu1s1NODl6/e6NhS5kNnezj+/+EdTKV9FeyAZD8s04enVZOXw8GXQn0iYgBw==
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

2026-09-17T09:49:15.040325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087958
observed e29f7d787d40baa19cda53307ff03693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.022877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087958/manifest.json
observed 0f1cb3f7fb58f67ad34c5528d4fb16fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.003985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087958/publication.md
observed 3893bd2a7fb6c8df4d6ba832918a4a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:14.983268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087958/publication.txt
observed caf8ea8db5d8e6535ec3cf7cf9e104f5...
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.