OpenTechnical

OT-2026-000086512

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, sustained blow-off before set-down

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-2026-000086512) never changes.

Identity and time

Publication numberOT-2026-000086512 · never reused
Internal UUID01a0ae9a-2c97-77a4-9d06-810732afecdb · 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-2026-000086512
StatusPUBLIC

Content hashes

Canonical text2c79719dbc84d8a4c589e6641ed279b71370a314897f4097530d010d7421b825
Markdown2151208848847db924c5c5e258dd6872ea68056f7c621110f3625ac30b804dae
PDF
Publication pagee98bed38ac26fc1f1b032f5b317b03ab01fdfa9dfa554a90f5ff43b1d41288e9
Manifest74e98237ff9ba0b020522b21b60e0051b70a5043682df5da601f415ecc81cf7a

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
Signature5px4htSrd1ytMqGleQ80wvj1162Z9/5Dp+WeGXA93oMk9uPgdIA9DfcikRq+SJ6lleGrrxU82cK8+8FhuEWzCw==
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

2026-09-17T09:52:19.921220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086512
observed e98bed38ac26fc1f1b032f5b317b03ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.904533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086512/manifest.json
observed 74e98237ff9ba0b020522b21b60e0051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.888078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086512/publication.md
observed 2151208848847db924c5c5e258dd6872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.870535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086512/publication.txt
observed 2c79719dbc84d8a4c589e6641ed279b7...
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.