OpenTechnical

OT-2026-000074198

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000074198) never changes.

Identity and time

Publication numberOT-2026-000074198 · never reused
Internal UUID01a0ae93-7178-7e5b-be7d-94db201d4508 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074198
StatusPUBLIC

Content hashes

Canonical text4a2aea282c4dfe7e11fc1a4227d0aeb4dd7d035b8c0526f1acd8337353b8c7b5
Markdowndedbc28a3fcf3ea32393dc83206960ad510fdfa0d4cada40d6df00681ac5e387
PDF
Publication page06071b99e7639428e9e6dec7a40ecaf193b62d5b27162c23aec4f0658a8edd25
Manifestcb6e4db7ac4d3a1f19ee335394f1f9d059f70682bc4edd76ab27b5e660d7cee3

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
SignatureTYClLBT9nwb1855klgucP8ZCki5iiR1MaA4VqbqIDH/l4ZJhtTdX03BGmqdDzqLcvqq71d9Sl5x0vsQ6yEc2DA==
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

2026-09-17T10:19:03.237481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074198
observed 06071b99e7639428e9e6dec7a40ecaf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.219520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074198/manifest.json
observed cb6e4db7ac4d3a1f19ee335394f1f9d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.202187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074198/publication.md
observed dedbc28a3fcf3ea32393dc83206960ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.183594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074198/publication.txt
observed 4a2aea282c4dfe7e11fc1a4227d0aeb4...
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.