OpenTechnical

OT-2026-000027025

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000027025) never changes.

Identity and time

Publication numberOT-2026-000027025 · never reused
Internal UUID01a0ae72-3453-7798-bfd1-34c0ceffc377 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027025
StatusPUBLIC

Content hashes

Canonical textcf847eda23f8a1be71e5cf6e99f9cd622c661bab997dc42f30ca9ccb79888a49
Markdown3c4b6c98bfccee0d5ccb26a109db157dbf3ca82201f04cd1093285b2c08c3695
PDF
Publication page0c2db41142accdc5a14a2e67329bbb3bbf337253ac287f60a976db96d93478e0
Manifestc77bc2fa4532e633cd8073669adf7b3173c3cbbc7c1a61ed70c268649c9d9995

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
SignatureAH4yxlq6LI77G4DSYyi+fGcXb4lgRiNddSX11/nxv4Q0vcXrkDhCJEvqk6LpyF8zid02bj7YAyE7rHId6VqdAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:46.619055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027025
observed 0c2db41142accdc5a14a2e67329bbb3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:46.602790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027025/manifest.json
observed c77bc2fa4532e633cd8073669adf7b31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:46.584907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027025/publication.md
observed 3c4b6c98bfccee0d5ccb26a109db157d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:46.566574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027025/publication.txt
observed cf847eda23f8a1be71e5cf6e99f9cd62...
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.