OpenTechnical

OT-2026-000086481

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000086481) never changes.

Identity and time

Publication numberOT-2026-000086481 · never reused
Internal UUID01a0ae9a-2c97-7dcb-a1ec-c15c53b405b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086481
StatusPUBLIC

Content hashes

Canonical text7c76ad56f8817ee9e26a59a752ced49b5daf115f748a8ab62d7254cd7a0eab64
Markdown3e3d1b371f92e7d6e3a8be96ba958285962449dde7184573b5140e6e011ffaf1
PDF
Publication pagea292862b7f30c8cd1fd969656f4a40b7aeb4767349502b7a9bf9635586acf63a
Manifest718ec32bfb1079bf6c5373b0d90b6e572d34f4dd7c323e0907de67a4ad5dfbe8

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
SignaturegvdPTSwiyU4jM1jBYzxNHw2oBLZLvQbBQm9TO+0f9KzzkOXeyNwI9UnHHbWFpGPAE/m7H7n0zh8g58wclFnJCw==
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

2026-09-17T09:52:17.532363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086481
observed a292862b7f30c8cd1fd969656f4a40b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.514094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086481/manifest.json
observed 718ec32bfb1079bf6c5373b0d90b6e57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.493155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086481/publication.md
observed 3e3d1b371f92e7d6e3a8be96ba958285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.473089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086481/publication.txt
observed 7c76ad56f8817ee9e26a59a752ced49b...
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.