OpenTechnical

OT-2026-000032729

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000032729) never changes.

Identity and time

Publication numberOT-2026-000032729 · never reused
Internal UUID01a0ae75-1071-7b09-af3f-aebad88f61e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032729
StatusPUBLIC

Content hashes

Canonical texte68031cdf96b3752caee26ba80fe5e3ead90f7c8350da0b62fe46948ebfcc3a3
Markdown30b621df01c23440b13e2a043a3dce582a46801cfc25650479194281e9429676
PDF
Publication pagecf56d8f2a22f6f46b52dd029d75e99476ad34b20255ce36458e6199f54c9ba39
Manifest7cd15b7f5bd5b30c65715ebc4ae177e7b2b55c8d237e4bb7c59c5ebd6a34a038

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
Signatureyw/Rxm6wl1cgJQlwDwBBLQSgckyvDPLw21XMhKNIacqzZMUr+o53K7CyImKvrQQJaSAwxzfRKbZrZydDgQxCCg==
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

2026-09-17T11:34:20.935753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032729
observed cf56d8f2a22f6f46b52dd029d75e9947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:20.918139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032729/manifest.json
observed 7cd15b7f5bd5b30c65715ebc4ae177e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:20.900281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032729/publication.md
observed 30b621df01c23440b13e2a043a3dce58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:20.881628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032729/publication.txt
observed e68031cdf96b3752caee26ba80fe5e3e...
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.