OpenTechnical

OT-2026-000053197

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000053197) never changes.

Identity and time

Publication numberOT-2026-000053197 · never reused
Internal UUID01a0ae85-0a14-7fe8-9628-0e09625b94ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053197
StatusPUBLIC

Content hashes

Canonical texta620fe728288655b56b92493a87b57433a351ea2750b1cd552bcf3475749bad0
Markdownd9bde2cac459065086969f4801b02d647427450a0d3c63ec919dedba49332d0b
PDF
Publication page94e10ddeb4fc47c7acfdd37cc9e72d33fdbc362cc72288e36a704230edee20a2
Manifestb4420576427a1b0bc6813f570fdfaa4a0b2ac94e37248827f5bc89d4af2a373f

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
SignaturedDPaQa7yo/pE8Own1uIgcu5ujEERrVWh3JjpiYbNHhC9DP5rwr0zm9qlTt37dTwnsCPoD5gT+1Q7OTT0dxGrCg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:47.518715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053197
observed 94e10ddeb4fc47c7acfdd37cc9e72d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:47.498403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053197/manifest.json
observed b4420576427a1b0bc6813f570fdfaa4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:47.476294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053197/publication.md
observed d9bde2cac459065086969f4801b02d64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:47.331791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053197/publication.txt
observed a620fe728288655b56b92493a87b5743...
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.