OpenTechnical

OT-2026-000076414

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000076414) never changes.

Identity and time

Publication numberOT-2026-000076414 · never reused
Internal UUID01a0ae94-6a70-729b-a06e-93ce5914c796 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076414
StatusPUBLIC

Content hashes

Canonical text2a3172ec8aecddcd64c2cd71e2751d434a481eb81bae780c0279aa254114a431
Markdown4fb8f6c88c2987a7ee21e823a041409d47a51937eca5f97edd071904bba1b97b
PDF
Publication pagee6d3b15980bd0f7d8007f6bf765da688775129b613f9b739df37ff89a78cd83b
Manifestd58cf1afd534057fde116a5e3e0b8260b241b19b5cc0f276d4a77bc3256eac21

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
SignatureUR9OKgKVHW0zg6OwUvqBTTE/3MSpJY5s02U6IT10Zn8ZizBFT2pRn+a9dmd7Iwz4xVa0NaVD0h6K2r13CQBZCA==
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

2026-09-17T10:12:22.196975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076414
observed e6d3b15980bd0f7d8007f6bf765da688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:22.057856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076414/manifest.json
observed d58cf1afd534057fde116a5e3e0b8260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:22.038446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076414/publication.md
observed 4fb8f6c88c2987a7ee21e823a041409d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:22.016959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076414/publication.txt
observed 2a3172ec8aecddcd64c2cd71e2751d43...
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.