OpenTechnical

OT-2026-000092850

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000092850) never changes.

Identity and time

Publication numberOT-2026-000092850 · never reused
Internal UUID01a0ae9d-b601-7037-b590-2ce7a0712cdc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092850
StatusPUBLIC

Content hashes

Canonical text3a969821f3814dedd308219ac861f4359a15b9ec073bd7d9fe621b42d874224d
Markdown831cec54d99756a6aa466594be8fb022504c81899f8a2e8b87ae006e9bccf66e
PDF
Publication page37657f4a094bbf6ab089e95344c9ed8544a43a668a7d20f98369deda4da23f2c
Manifest7769eccc131cfe1bf97cd4ff270066114b778f0e43edc8b3f167b7efd173af4e

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
SignatureQHZT6NWLkjCKt7io1SUmjyumsGdaTDdTKtzaxLEfFr407RxQ6+jJvCLs0p9UfQ1xrU/PpNk30lFjheMbcOH/DQ==
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

2026-09-17T09:41:30.327506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092850
observed 37657f4a094bbf6ab089e95344c9ed85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.310006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092850/manifest.json
observed 7769eccc131cfe1bf97cd4ff27006611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.293453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092850/publication.md
observed 831cec54d99756a6aa466594be8fb022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.276000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092850/publication.txt
observed 3a969821f3814dedd308219ac861f435...
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.