OpenTechnical

OT-2026-000088099

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000088099) never changes.

Identity and time

Publication numberOT-2026-000088099 · never reused
Internal UUID01a0ae9b-1aa7-72e5-9807-d4d7c3c8067f · 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-2026-000088099
StatusPUBLIC

Content hashes

Canonical text154b966fcce69f7e39a855133e23557a299f6b0e72b234c12260b0af2f199433
Markdown5cbb19f2807e14e09e3b712aa10ded69eb76e2c32d8ef82843cfee4ba9c8befe
PDF
Publication pagecdbeab28fab40d879eee62e2ff249d57fd39fe4be5c4367c3c82d704e88ca3bc
Manifest116b4fb482cac8e254cf5026439bcdc864f78e8a0e6867a46bbd3fc9b30cfaf1

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
SignatureipgkzP52y7N4JUpzhsta8wLogLpaZA+DUk+HGbbS4TS13qQf8YE+qEFTxnfHlhxR3ie0Tl62iQ7qO3YaxuuBDw==
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

2026-09-17T09:50:06.774389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088099
observed cdbeab28fab40d879eee62e2ff249d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:06.754062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088099/manifest.json
observed 116b4fb482cac8e254cf5026439bcdc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:06.736879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088099/publication.md
observed 5cbb19f2807e14e09e3b712aa10ded69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:06.719085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088099/publication.txt
observed 154b966fcce69f7e39a855133e23557a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.903829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088099
observed cdbeab28fab40d879eee62e2ff249d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.886551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088099/manifest.json
observed 116b4fb482cac8e254cf5026439bcdc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.865395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088099/publication.md
observed 5cbb19f2807e14e09e3b712aa10ded69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.845157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088099/publication.txt
observed 154b966fcce69f7e39a855133e23557a...
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.