OpenTechnical

OT-2026-000030017

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000030017) never changes.

Identity and time

Publication numberOT-2026-000030017 · never reused
Internal UUID01a0ae73-ac49-7c35-bee7-d92c4883cc2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030017
StatusPUBLIC

Content hashes

Canonical text6444fff6e3c3595766bebbdc5fa134be6c1a2d4718c55c324e29b7a1d60a1e49
Markdown74da45f884f1bb16c2364c0afb60ec845030948c3de1e6c91c1f009493d03ae3
PDF
Publication page3bcf6e382617abdb61a166da3105c29ffc2ddd0e5bf4bcb586b5bc4142d50f1c
Manifestd68ea72505d720a0c0bc594fa76e1a8fd91c4208f314a3c95d6120df98dc3595

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
Signature9Z05FiyfCzxiWhesPRRU9yhNl8yj7bXMFBNmw28g1x8KL3B48A4/ctNHd+xpmB4SCcijf8NOrDDwtzThBhEnCw==
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

2026-09-17T11:38:45.097294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030017
observed 3bcf6e382617abdb61a166da3105c29f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:45.079796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030017/manifest.json
observed d68ea72505d720a0c0bc594fa76e1a8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:45.063540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030017/publication.md
observed 74da45f884f1bb16c2364c0afb60ec84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:45.046012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030017/publication.txt
observed 6444fff6e3c3595766bebbdc5fa134be...
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.