OpenTechnical

OT-2026-000045877

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000045877) never changes.

Identity and time

Publication numberOT-2026-000045877 · never reused
Internal UUID01a0ae7d-8f06-7792-add5-5b9be992046b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045877
StatusPUBLIC

Content hashes

Canonical text44e805543709405dd1ecb499f39ed4cf6e18bff6fab58348c2584ba328cc2609
Markdowna526caf59e417a92dd9a941b0724d407adb81c1ccfdb471c1d8028d923c21af7
PDF
Publication page3b72f5f9616780a51b3c3591ee56324cd4fed5150d8fedc755ea819f00ef2b64
Manifest029d4fbda00f937bb6a5d3b45a6e061af707f207e9c9124addac07827bc64543

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
SignatureQDlZNmTx0D2UFcWvfMOJqrfCi0zlE0gk662mUQxHc7EgMPY6GKN9sLUt9C38fV0H5h9UFU2yP9QT+VoNeywVBg==
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

2026-09-17T11:09:45.997488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045877
observed 3b72f5f9616780a51b3c3591ee56324c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:45.978506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045877/manifest.json
observed 029d4fbda00f937bb6a5d3b45a6e061a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:45.959470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045877/publication.md
observed a526caf59e417a92dd9a941b0724d407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:45.940656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045877/publication.txt
observed 44e805543709405dd1ecb499f39ed4cf...
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.