OpenTechnical

OT-2026-000088161

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000088161) never changes.

Identity and time

Publication numberOT-2026-000088161 · never reused
Internal UUID01a0ae9b-1aa8-7f26-b34e-fec313fb3ff7 · 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-2026-000088161
StatusPUBLIC

Content hashes

Canonical text71cbe04149c877607ab61b4bbf57f03c2a8efd508db07d4bf2d7ca9ac11732fc
Markdown3893b93525ee0b5e13e05935c618e383c2d09dd5177f8326097a50a752c5d0fc
PDF
Publication pagea620d5f5969d7b5b1d781c1e74e5a03069783ddba2beccde298a62c16d88e03b
Manifest1a55e94d9967744b7bda48ebbf3238905e9baabb980cb02b4690db41ad2ba197

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
SignatureDA+UwgRfG5D0XN/hyZEEh1+6ONG6lGEu8rfAhghcfQQVj5/grhim6a/IGdHyAPhM7pY3k+r+1LIxt1+PWsNlCQ==
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

2026-09-17T09:50:12.253746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088161
observed a620d5f5969d7b5b1d781c1e74e5a030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.236085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088161/manifest.json
observed 1a55e94d9967744b7bda48ebbf323890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.216040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088161/publication.md
observed 3893b93525ee0b5e13e05935c618e383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.199101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088161/publication.txt
observed 71cbe04149c877607ab61b4bbf57f03c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.545506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088161
observed a620d5f5969d7b5b1d781c1e74e5a030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.526506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088161/manifest.json
observed 1a55e94d9967744b7bda48ebbf323890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.508131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088161/publication.md
observed 3893b93525ee0b5e13e05935c618e383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.490105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088161/publication.txt
observed 71cbe04149c877607ab61b4bbf57f03c...
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.