OpenTechnical

OT-2026-000044136

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000044136) never changes.

Identity and time

Publication numberOT-2026-000044136 · never reused
Internal UUID01a0ae7b-d67a-7835-a8be-6b2aa83c3650 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044136
StatusPUBLIC

Content hashes

Canonical texta1f14149ea90e436c71a507704cbcfe26576377a276ab000634f8432d647e86b
Markdown195862e3a83702f00fd55ac7c9b7e9bc714c50a92013fc85d7c8d63349cc164a
PDF
Publication page2d1a7c7fac0c7c11cf5b93eeadc528269c1ad351a52d414092ab25cfd4866d5e
Manifestf8a442f3ae36675f207d6d181c886039607df99c7eb65e6ffe9b56df3f6517ad

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
SignaturekM+QLkDLe1YB+QlJ3z6yDBD3HQ4OTSMfX2KcgInTAaYCcc9ULizCQaTjLcfejhEqqCnxHPrcjk+zM+jFJ0zACQ==
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

2026-09-17T11:12:33.391853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044136
observed 2d1a7c7fac0c7c11cf5b93eeadc52826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.371920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044136/manifest.json
observed f8a442f3ae36675f207d6d181c886039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.351823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044136/publication.md
observed 195862e3a83702f00fd55ac7c9b7e9bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.333523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044136/publication.txt
observed a1f14149ea90e436c71a507704cbcfe2...
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.