OpenTechnical

OT-2026-000079554

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000079554) never changes.

Identity and time

Publication numberOT-2026-000079554 · never reused
Internal UUID01a0ae96-0b92-704b-b448-fc90e21f8499 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079554
StatusPUBLIC

Content hashes

Canonical text6c82c4c80048541705e6a3a1b31b37286009329ceb8b09d9f21fbfb909ce8746
Markdown0742eeaf910640901eed3584b3701c01f4887d6fa4e1532281a54802bfc739b2
PDF
Publication page56d2106d42dd7c44d8db4b03e9432ef1838cc55b1101c606d08e9eb1f329cac4
Manifest61be1c1b8e73a079a67d69cfd8a3d22279bf75a829d95fc7d6ddbacc757722f5

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
SignaturecOnEibatD+h/7ywf18/6EE/lP0pzRMC0IQhGbhvgVDx651UMo2/yTfstlLgrv2TRpBKZsegE7SgNTNL2WT9kCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:12.273430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079554
observed 56d2106d42dd7c44d8db4b03e9432ef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.254890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079554/manifest.json
observed 61be1c1b8e73a079a67d69cfd8a3d222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.234574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079554/publication.md
observed 0742eeaf910640901eed3584b3701c01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.215559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079554/publication.txt
observed 6c82c4c80048541705e6a3a1b31b3728...
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.