OpenTechnical

OT-2026-000049797

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000049797) never changes.

Identity and time

Publication numberOT-2026-000049797 · never reused
Internal UUID01a0ae81-8ff0-76f0-a1cc-065b7538e1f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049797
StatusPUBLIC

Content hashes

Canonical text58b2fb4f26459a7a02ced209a9f9c32194d822ef35c28b91c63337633ed8c845
Markdowndcad67015c76cc6af6f77e157fac241ae6690dd26c8ae5a09dee975e275ac01f
PDF
Publication pagec32a298216d973a1ead52c397df9ac6a1e6bba19b9072971e6a88b70c5a59bfe
Manifest24324d41651af72c3efd226089c7afd873a20424a568010e7b13f92c303cb477

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
SignatureNj5khFL0D+8MOlJd6/5QvcW1UfX3VHsqmFNNVwURch2copIE5qX1amMLhy2viWEjB2mM9Ti4o2/V1jXhJNACAw==
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

2026-09-17T11:02:55.219458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049797
observed c32a298216d973a1ead52c397df9ac6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.201006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049797/manifest.json
observed 24324d41651af72c3efd226089c7afd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.181930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049797/publication.md
observed dcad67015c76cc6af6f77e157fac241a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.163919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049797/publication.txt
observed 58b2fb4f26459a7a02ced209a9f9c321...
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.