OpenTechnical

OT-2026-000027676

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000027676) never changes.

Identity and time

Publication numberOT-2026-000027676 · never reused
Internal UUID01a0ae72-699a-742f-bf21-5b0759233e81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027676
StatusPUBLIC

Content hashes

Canonical textbafeeba706234be421178aef2e7ebd9e80ff6ca824690a958f3b10a0e7ef7db5
Markdown07adf623b99921f0bb78c087321a6bd2aafbfa76fb69c28c04705428784192fe
PDF
Publication page72715ca74f5d51e54cbaedc5897c51a409e1a857379307b72b0974ba9a97b474
Manifestd0ddc9cca30d14f0aeb8f1d90230da674b688e47026b464415edde49b3fb33d5

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
SignaturenMmQhgLBfS9XzSDe8rRlu9HYCEspg0DG/2xQz8/W1UxL5U7eodUWDQMR38rf6EuxEFoS8iUSol8IbGVGCE83AQ==
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

2026-09-17T11:43:12.825286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027676
observed 72715ca74f5d51e54cbaedc5897c51a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.808419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027676/manifest.json
observed d0ddc9cca30d14f0aeb8f1d90230da67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.789516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027676/publication.md
observed 07adf623b99921f0bb78c087321a6bd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.772921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027676/publication.txt
observed bafeeba706234be421178aef2e7ebd9e...
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.