OpenTechnical

OT-2026-000049364

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000049364) never changes.

Identity and time

Publication numberOT-2026-000049364 · never reused
Internal UUID01a0ae81-8f7b-7ee2-8514-2fbceed73fc0 · 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-2026-000049364
StatusPUBLIC

Content hashes

Canonical textffe15f7d68c85620cda3469ed905f4e8088bf4aaf52284f854436d00fd809849
Markdownd8e8e13a4a7159b0e153894a2174a01111300f217809128793d46d7b66a7bf38
PDF
Publication page216c94d4206d64f61f35b37a9962553a2a58859ff69f6372ec2ac22efbc79298
Manifest95148de3ff6fb99c86b3809ae12e7c95d0151cc0f2caea746c926a27cf1b6428

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
SignatureBzk3kfQQOGAB4mUrEljmHcxPo/HU1iCksgl2+Jr1a1xfT2zq94VGfSRBW0rL5xFREo5jpjEdPqQF/j2iWzShBQ==
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

2026-09-17T11:02:09.803852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049364
observed 216c94d4206d64f61f35b37a9962553a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:09.779188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049364/manifest.json
observed 95148de3ff6fb99c86b3809ae12e7c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:09.753571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049364/publication.md
observed d8e8e13a4a7159b0e153894a2174a011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:09.549854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049364/publication.txt
observed ffe15f7d68c85620cda3469ed905f4e8...
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.