OpenTechnical

OT-2026-000025771

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000025771) never changes.

Identity and time

Publication numberOT-2026-000025771 · never reused
Internal UUID01a0ae71-a83d-7895-b1be-4e6a161a23f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025771
StatusPUBLIC

Content hashes

Canonical textfca049747266cc56559a18b83954a83664d776bb99b3b201a385ac2381ba86fc
Markdownbfede083e9e54c3e73db94fe0034697238629d192843fb94df707efaaafe7b3f
PDF
Publication page73bcb74f21fe9b2f3d7f6194317dab20bb7c3b5d9187c780eee7f51203831b8a
Manifest767935c8b836b37349f8d3705f402fc2bd4298eb85152a62c186f288e5fec80d

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
SignaturegwVYs4bgH8trbnfcu8D18CbxIhKKhhUVSfFJl01viNNj9V5G4X7lt2+8JC5bFL2AEkDEKEopRih5vmUuv91aCw==
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

2026-09-17T11:45:58.242516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025771
observed 73bcb74f21fe9b2f3d7f6194317dab20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:58.224899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025771/manifest.json
observed 767935c8b836b37349f8d3705f402fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:58.205459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025771/publication.md
observed bfede083e9e54c3e73db94fe00346972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:58.187362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025771/publication.txt
observed fca049747266cc56559a18b83954a836...
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.