OpenTechnical

OT-2026-000010571

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000010571) never changes.

Identity and time

Publication numberOT-2026-000010571 · never reused
Internal UUID01a0ae6c-0ee7-7dcf-8478-7624c24eb28d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010571
StatusPUBLIC

Content hashes

Canonical texta5af4d191b984b564f6688ad4d33051b964100449f5bd39b7a228d623f08ba7a
Markdownd8742b49245dc71edf6a141e15a84730ce996e8b2e776f4f6a065471ef81fb87
PDF
Publication page2cb836e45d2bf673f174f894b71c22d228f6cfde4ec2619f4e0eac2bffd8771e
Manifest544dbd64d1cae5c2cd9d6947864ca7d1d6c8aed3838e3dfb57b9c6389c3558e8

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
Signatured3SnMdcQ5DxptVceJl/2/0RWwKlLvIe1x3FX9uZSaQCHwDzT3u65Zep4++E+i5Iefwqa12O2i6YHQoSKUI9SBQ==
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

2026-09-17T12:14:44.838496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010571
observed 2cb836e45d2bf673f174f894b71c22d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:44.818648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010571/manifest.json
observed 544dbd64d1cae5c2cd9d6947864ca7d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:44.798476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010571/publication.md
observed d8742b49245dc71edf6a141e15a84730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:44.778760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010571/publication.txt
observed a5af4d191b984b564f6688ad4d33051b...
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.