OpenTechnical

OT-2026-000087935

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000087935) never changes.

Identity and time

Publication numberOT-2026-000087935 · never reused
Internal UUID01a0ae9b-1aa6-75b3-bd14-05d1f3a9d3c1 · 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-2026-000087935
StatusPUBLIC

Content hashes

Canonical text06ba36e6565bea7b6f9138c23ffb7ba2ba96bfed952530b6f4aa7db9c8fdcbe7
Markdown39f9f3f7c0fa44d60bb158ce4c827d9cf46a90a4e159694c7566e2550932615e
PDF
Publication page5bc1a40f61c2c1f9a9365bddb33a4d85fcd7077c03fc7a3f0bec0c28a3f030c2
Manifest0d136eb83736dc6566c3a1778d49c4ed05916c3ebafc2070425e3f6eff66ba7a

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
SignatureWjxKDJcskc95QGhx4lSG2OlLNCNA90RWi//R0wyQeBpCty4Zorr6ksuEaNlJ+K3tQEk+1QNRokLmwHUGF+39CA==
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

2026-09-17T09:49:13.695084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087935
observed 5bc1a40f61c2c1f9a9365bddb33a4d85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:13.677653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087935/manifest.json
observed 0d136eb83736dc6566c3a1778d49c4ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:13.658633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087935/publication.md
observed 39f9f3f7c0fa44d60bb158ce4c827d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:13.639753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087935/publication.txt
observed 06ba36e6565bea7b6f9138c23ffb7ba2...
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.