OpenTechnical

OT-2026-000080639

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000080639) never changes.

Identity and time

Publication numberOT-2026-000080639 · never reused
Internal UUID01a0ae96-7e79-72e6-9fb6-dc90a9a1be1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080639
StatusPUBLIC

Content hashes

Canonical textdcf1d6d7791d1fef9c843d70a11363280bad051fa25927fb2a80785bbcc3cf52
Markdownaa9a5d1415f964a6f8a884ddb2187bcb93769aa91fe823b78547b8ffc04c536c
PDF
Publication page8ef6e10128186cf54b86467c2172030dc084a0f28e717c5f862c9f1529f7ca99
Manifesta5c2c54f7bf64cc455674f882c6ff48323777b99fca44dcfa5a79246478722e0

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
SignatureLETuzbW4gWf9+2YSQgokZcEebBftQ5TUo9AqV+ta3pu6lOUtu29rNyaOpmp4BHB7vfVvLw+jJSM0CAB3FMJrBA==
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

2026-09-17T10:03:18.071694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080639
observed 8ef6e10128186cf54b86467c2172030d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.045372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080639/manifest.json
observed a5c2c54f7bf64cc455674f882c6ff483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.021294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080639/publication.md
observed aa9a5d1415f964a6f8a884ddb2187bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:17.991377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080639/publication.txt
observed dcf1d6d7791d1fef9c843d70a1136328...
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.