OpenTechnical

OT-2026-000086440

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump 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-2026-000086440) never changes.

Identity and time

Publication numberOT-2026-000086440 · never reused
Internal UUID01a0ae9a-2c97-7359-bced-71912cbdde49 · 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-2026-000086440
StatusPUBLIC

Content hashes

Canonical text23be104dbbc75f3b5b482fca0c17a42e7f1022b25dc86e02663c17900ace6fe5
Markdowne4323d37cacf0457ae536c32e76e147fca76b26658607a86a61e1788fb16de7f
PDF
Publication page6fdc72236757dab9443598d644bac4f9cdc48ff66118e14299778d1f90e2cbe4
Manifest8d9214905162167e47907e443f858885096fb1ae42b326fc3077920aeaab63dd

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
SignatureBTEXxb/qI7C4RAgg10DbYd82vOE86MVyEJHUuTOjbNbv58183FhaEqCQ3eegLNmozX6faMrQY6aq6GhBjoiZBA==
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

2026-09-17T09:52:14.375378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086440
observed 6fdc72236757dab9443598d644bac4f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.358219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086440/manifest.json
observed 8d9214905162167e47907e443f858885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.341975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086440/publication.md
observed e4323d37cacf0457ae536c32e76e147f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.322808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086440/publication.txt
observed 23be104dbbc75f3b5b482fca0c17a42e...
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.