OpenTechnical

OT-2026-000061025

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000061025) never changes.

Identity and time

Publication numberOT-2026-000061025 · never reused
Internal UUID01a0ae8b-12f9-7c66-8960-4784f8a1f717 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061025
StatusPUBLIC

Content hashes

Canonical textf09ffb172f4a32bb2fdcf3d91070f725b389c5cf92077e30996072c703b133d8
Markdownacb1dacf8dccdfef55b837b73c48961f405138f9040c5cb483bb81301f8f8984
PDF
Publication page1e1c05de222e521de3c4e1bcee81f79ab17b2eeadda7ccbaa4df3c95f3b0f09d
Manifest5509b131691f17fce5e046d7a217143b07dc69ca164a15bc396f90faeab69026

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
SignatureiGSljRkcnn5PHFEt+Q2CqAcNay7UH+QXidoSsqyL0Ar22UfN3cGmhyOigF7FYU7LtIGncbXGeroZwnMtrHjIDg==
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

2026-09-17T10:42:22.344693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061025
observed 1e1c05de222e521de3c4e1bcee81f79a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.325320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061025/manifest.json
observed 5509b131691f17fce5e046d7a217143b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.308803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061025/publication.md
observed acb1dacf8dccdfef55b837b73c48961f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.291273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061025/publication.txt
observed f09ffb172f4a32bb2fdcf3d91070f725...
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.