OpenTechnical

OT-2026-000022433

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000022433) never changes.

Identity and time

Publication numberOT-2026-000022433 · never reused
Internal UUID01a0ae6f-f4fd-7bae-b8e2-ec741d589d2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022433
StatusPUBLIC

Content hashes

Canonical text967c821c7eb40b5209c0438cf8b508b4b7186252a6ce3eb31af2c7561fd1c282
Markdown4fbfe9f8f112e892c48a365c9eeb67a7a4380e2ca5a7ea56c465ca867ff80ee9
PDF
Publication page9d973d971687da1a326d28d782d393edf1276920389b1e07c47b94f17d932db0
Manifest41b837973e7ecc58908782606a223cdba3b281c0276f3f1058f274ce09c8fa5b

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
SignaturekNq3ALWDbAV+PhdBmeTnJ6I2STg3J7wXc9n5MLTEVJXoyA98P+cBuX2jzbejGZqj+hu+dsPPw0Pk+b8KuYiiBQ==
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

2026-09-17T11:53:49.493856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022433
observed 9d973d971687da1a326d28d782d393ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.473572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022433/manifest.json
observed 41b837973e7ecc58908782606a223cdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.456806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022433/publication.md
observed 4fbfe9f8f112e892c48a365c9eeb67a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.439554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022433/publication.txt
observed 967c821c7eb40b5209c0438cf8b508b4...
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.