OpenTechnical

OT-2026-000029264

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000029264) never changes.

Identity and time

Publication numberOT-2026-000029264 · never reused
Internal UUID01a0ae73-2aa1-7fc6-a1ef-2de59c3f45db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029264
StatusPUBLIC

Content hashes

Canonical textf4dc3addc956691a0c9cd917eda4d08552cc110d78dfbfa44ec285744baebf48
Markdownce9a01682f10e266edc3c7bbf15a6fdc9496f97bc9e5001a29104898d2df373f
PDF
Publication pagec32af55e62c7b85202be6ae160ff51f6e1ba3355ceb344acdb6048facb06691b
Manifest787c4564cfa280849412e254112fbbd62d0a4989d1fd0d38ab31214d4d7f9147

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
SignaturejGReljZygVO7C/QfQ74oWPbPBmMGEPmqKgBwQ9Ixgfyafay9hR9CnUiQnY88dr0HOGwvhqWyS+7DWJO9c/81CQ==
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

2026-09-17T11:39:53.759244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029264
observed c32af55e62c7b85202be6ae160ff51f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.742573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029264/manifest.json
observed 787c4564cfa280849412e254112fbbd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.725625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029264/publication.md
observed ce9a01682f10e266edc3c7bbf15a6fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.707054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029264/publication.txt
observed f4dc3addc956691a0c9cd917eda4d085...
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.