OpenTechnical

OT-2026-000087970

Publication integrity record

Three 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-2026-000087970) never changes.

Identity and time

Publication numberOT-2026-000087970 · never reused
Internal UUID01a0ae9b-1aa6-7121-ae5d-6e745eba69a0 · 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-2026-000087970
StatusPUBLIC

Content hashes

Canonical text151f3729ea83e4457789c9488ff5b84c5a675beda590fe48ffb3223a47b5f383
Markdown59514d328f879327575161d28165d8c6833a8ccd981586e57607e85c1ff0fbff
PDF
Publication page106096f1ba7d4e30c9403eff7595210e92686461d9ba2605911d2afedff4a8e4
Manifest999f093f49572113954bceba3b293b68aba7ec2e2dbb0e6a8ff9007825fbcbe1

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
SignaturefiZ06GYQcm1OS6Htk/TryTDRWObDORhla26I/ewjpYrN3/gwWYllqDaiDyZjaQ4+PTKpudbemCRtTVE33IgSAg==
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

2026-09-17T09:49:16.001421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087970
observed 106096f1ba7d4e30c9403eff7595210e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.983752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087970/manifest.json
observed 999f093f49572113954bceba3b293b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.965500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087970/publication.md
observed 59514d328f879327575161d28165d8c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.946278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087970/publication.txt
observed 151f3729ea83e4457789c9488ff5b84c...
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.