OpenTechnical

OT-2026-000061491

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000061491) never changes.

Identity and time

Publication numberOT-2026-000061491 · never reused
Internal UUID01a0ae8b-7b44-71b4-a0fe-57a6125021ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061491
StatusPUBLIC

Content hashes

Canonical textf64251cc1aacfaf6059ab264a60a4e90a33b77747e7a3872151fb0483d2c1f4d
Markdown8778e403278ea944c0c52b451b13a830c8d617bdfbf07f5191083d11f3d28a4e
PDF
Publication pageb82e344eecc00dc76cd80227a4459331c466ab13221dff0a1c8c668fb3e16555
Manifestf7b5cec04887c344e70d546c6e52e494032e94e5b227236441a56d932c5570e6

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
Signatureb5+y0ENn4txv60rfPVJKH3StvHEXqwzluWwObjDW3Y0VhleMZ+ZkQeXqjHE2yz4SKYhCbeFmMrAUnDCkfpakAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:22.981328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061491
observed b82e344eecc00dc76cd80227a4459331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:22.962168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061491/manifest.json
observed f7b5cec04887c344e70d546c6e52e494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:22.942706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061491/publication.md
observed 8778e403278ea944c0c52b451b13a830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:22.910291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061491/publication.txt
observed f64251cc1aacfaf6059ab264a60a4e90...
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.