OpenTechnical

OT-2026-000087968

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, 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-2026-000087968) never changes.

Identity and time

Publication numberOT-2026-000087968 · never reused
Internal UUID01a0ae9b-1aa6-7357-a09c-f6d7c463f060 · 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-2026-000087968
StatusPUBLIC

Content hashes

Canonical textdc05ac98160ac236a0d59f40fce7bd114d2ef3309f3dd4be165710b5f161e5ac
Markdownce14018466b90f5146f9861212492dd8a0b3787ae567d013c7a9034f03a5b39d
PDF
Publication pageb1236a696d8e42de15a286d9547c4a6ffb7d8e14c7ddf03fbb14c515625851ce
Manifestca789fa89a215d727e3674c7a4d1734e5214bf552af5360f032fa2a5c17920d6

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
Signature4MTdBmBZi/yrMFj64lE2x5YJKnyRGVidYrs1lwU3NVsm+n6RJhkM5axhfjh0G/9knN1ghLJmYMHSqiTg9TW2Dw==
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

2026-09-17T09:49:15.849677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087968
observed b1236a696d8e42de15a286d9547c4a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.832019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087968/manifest.json
observed ca789fa89a215d727e3674c7a4d1734e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.813784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087968/publication.md
observed ce14018466b90f5146f9861212492dd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.795054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087968/publication.txt
observed dc05ac98160ac236a0d59f40fce7bd11...
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.