OpenTechnical

OT-2026-000082454

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after set-down, on a tool changer

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-2026-000082454) never changes.

Identity and time

Publication numberOT-2026-000082454 · never reused
Internal UUID01a0ae97-4d97-734f-af89-7e4587e7b2e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082454
StatusPUBLIC

Content hashes

Canonical text53275f0a3e725c26e9e2bbd33c9d71b8e88de6d0225364aa78d57869cd69bd7e
Markdown98b9b1478df8810bf2c1e0cf14a64822f40a89f097e76e2ce62d8b5f80533ae8
PDF
Publication page2c1bf1486aff888fcce363c1105ca5fe235f609b534fa0cc3118d66def1a54ff
Manifest27ba21af2bd34ee167c2952886e9dc4fa7d3306d14934427bda4c7850ff5d902

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
SignaturepKRkGxNx3fwpk1QXGFsR2+66rnLaU4NIvI67NzRW7FxZQ4+q/sRo63ZZw4bImZoHlC6D0G1FPXozuRuAnjgZDg==
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

2026-09-17T09:59:27.278027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082454
observed 2c1bf1486aff888fcce363c1105ca5fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:27.260103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082454/manifest.json
observed 27ba21af2bd34ee167c2952886e9dc4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:27.243274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082454/publication.md
observed 98b9b1478df8810bf2c1e0cf14a64822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:27.226157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082454/publication.txt
observed 53275f0a3e725c26e9e2bbd33c9d71b8...
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.