OpenTechnical

OT-2026-000049588

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed 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-2026-000049588) never changes.

Identity and time

Publication numberOT-2026-000049588 · never reused
Internal UUID01a0ae81-8f7d-7e10-b244-97fc50329437 · 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-2026-000049588
StatusPUBLIC

Content hashes

Canonical textff2f27ec0a359611017888b054d5b2175529c82a00fcced2296ee1c63b868733
Markdown5d82216c0e169c45520e0bff537e65bd3249edbf028dfe0bf70473cb63333906
PDF
Publication page918f139c41d169eaee4f635ad765f9100ddd27589e9ab6800e2a487f23bf47be
Manifestcb28d7c1b0a42d0790e77577cf151fc54c0cdb07236ac8aaaf382afc74d3b87a

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
SignatureXnc2G8NlH4lfpRt9Ls8rDI8nFwPJAqI5fFyLZmUMei6ZAMoxybVGM2pPZUayPIPQ0IwuyrA9OxKSNi4bVWJ/Cw==
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

2026-09-17T11:02:33.758088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049588
observed 918f139c41d169eaee4f635ad765f910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.737916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049588/manifest.json
observed cb28d7c1b0a42d0790e77577cf151fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.718245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049588/publication.md
observed 5d82216c0e169c45520e0bff537e65bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.700333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049588/publication.txt
observed ff2f27ec0a359611017888b054d5b217...
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.