OpenTechnical

OT-2026-000061857

Publication integrity record

Two cup vacuum gripper, two 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-2026-000061857) never changes.

Identity and time

Publication numberOT-2026-000061857 · never reused
Internal UUID01a0ae8b-b8ac-7145-9e8d-73bd70443a7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061857
StatusPUBLIC

Content hashes

Canonical texta438f5ccde3e43ea67da0a32270957598f5aa9121eeee6001872c6413abbda0b
Markdownfb77fc20c2b8c5098c1dd70b901cd6072565165c81a8cd22030cb09aeeb49dc8
PDF
Publication page228087e37435b1239c3242280295714300a91da206ed7868cabebc957013a90e
Manifest1932f6eedc0d7f4a982d5cffbf3d1da9f2862f2697fff8aa184888f4d66231b4

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
Signature0CiAJ5NaX0JtV8EJ7805q9eLAUzwXLGivL7uk2GJ6WPGBcPdsIgaSVPG9VzFllEXUV2tAMEqUjEiDQx7QnIXCQ==
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

2026-09-17T10:40:42.707878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061857
observed 228087e37435b1239c32422802957143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.687280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061857/manifest.json
observed 1932f6eedc0d7f4a982d5cffbf3d1da9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.667950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061857/publication.md
observed fb77fc20c2b8c5098c1dd70b901cd607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.648440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061857/publication.txt
observed a438f5ccde3e43ea67da0a3227095759...
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.