OpenTechnical

OT-2026-000047776

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000047776) never changes.

Identity and time

Publication numberOT-2026-000047776 · never reused
Internal UUID01a0ae7f-c420-7f1a-83c3-057a1c526625 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047776
StatusPUBLIC

Content hashes

Canonical text89ae803bcfe1d5234a50882a5e6af99ab5301535bc1595d46d6d0e4f522b0701
Markdowne4c6cf489acd8afa328280085fcd5716b2a7a7492359d2b03389d7700216b139
PDF
Publication page70b1e39138abe2d9ddd0758e1758223dd5bbcc7afc85d7349574520ae90d2270
Manifest6cc19a87f8639ec9b43de5effc9ad7438ee168ddd3c396cad9e97ad9f5357a5c

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
SignaturenYSjeQ8/91MRrbx2pcb4/zFJRFkpeDxCmsznzoTpW3f3JdHMqNd38jaoY5TTBNIVifT94ojoPCsrDcxjDGZOCA==
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

2026-09-17T11:05:40.202529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047776
observed 70b1e39138abe2d9ddd0758e1758223d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.181869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047776/manifest.json
observed 6cc19a87f8639ec9b43de5effc9ad743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.160559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047776/publication.md
observed e4c6cf489acd8afa328280085fcd5716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.141127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047776/publication.txt
observed 89ae803bcfe1d5234a50882a5e6af99a...
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.