OpenTechnical

OT-2026-000049224

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000049224) never changes.

Identity and time

Publication numberOT-2026-000049224 · never reused
Internal UUID01a0ae81-134f-7cd3-b309-709fc18c2f78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049224
StatusPUBLIC

Content hashes

Canonical texta3207eb6489910a0c1d88ecbbe0f1031b95f559fe695d3b40d9a151d53e952ad
Markdown72e03d730d3e2ef6f73552a66be4a011a9ab53e45bd02e239ee2804ca21060f5
PDF
Publication page91027549dc48ce9b84ad6044ed6d94b08cb64c9b39413fd2cf588ff008661b37
Manifest793e0f2bb9d535bd9233d4841c172b59efeba04cb8c814f5dc11e98e3fe7552b

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
Signatureoo7ukZa1Rqc5e4QSS9DJrBb24dokHdZTtJEKMJsDZ+NxyPB2qYFhQwkUS1QRUIJx9hhS2eewCw/3Rj35iD59DA==
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

2026-09-17T11:04:02.740877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049224
observed 91027549dc48ce9b84ad6044ed6d94b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:02.721634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049224/manifest.json
observed 793e0f2bb9d535bd9233d4841c172b59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:02.701834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049224/publication.md
observed 72e03d730d3e2ef6f73552a66be4a011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:02.681381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049224/publication.txt
observed a3207eb6489910a0c1d88ecbbe0f1031...
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.