OpenTechnical

OT-2026-000013084

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000013084) never changes.

Identity and time

Publication numberOT-2026-000013084 · never reused
Internal UUID01a0ae6d-5565-7526-890f-a464ef9f4e63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013084
StatusPUBLIC

Content hashes

Canonical textdb6e156b1e6fd8ce4c1b20e9b850117ea4817b82517a9c110ea7e21c12111138
Markdown200e1255b10a6ec22094210ef8582c3dbe39ef9df7dbe93bcbc1e513370e5432
PDF
Publication pagee4d6697cd43fb1fde44cec6ce8bb56a38a2130f8e2940ca7b122b772ea325e91
Manifestaa86ccc954239063fd68c4e77272f70d605e5a6c8165897d2a341c33fc35b031

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
SignatureXDDinNXqqiVNpCxz/ExnxBHZQisXnXH4FeTdkKKwu2h6o+xjl3Kn1S2zukKxw24hlxra01lR6O/gsM9reeZOBA==
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

2026-09-17T12:10:55.801653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013084
observed e4d6697cd43fb1fde44cec6ce8bb56a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.780636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013084/manifest.json
observed aa86ccc954239063fd68c4e77272f70d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.760536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013084/publication.md
observed 200e1255b10a6ec22094210ef8582c3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.740106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013084/publication.txt
observed db6e156b1e6fd8ce4c1b20e9b850117e...
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.