OpenTechnical

OT-2026-000039932

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000039932) never changes.

Identity and time

Publication numberOT-2026-000039932 · never reused
Internal UUID01a0ae78-d8d7-707f-9dc5-1966f5d8d509 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039932
StatusPUBLIC

Content hashes

Canonical textd9c9b6ea8ef1b6d17a57fee7a5ac73d169cdc2e11251812a1b77ee3c52d9e6c8
Markdowndcbc30aca28f1cde290caf251bfaf4a1a589976020028089c45d046bdbbb2217
PDF
Publication pagebf23f9456cc1103df102a575f37aa1339b51d8e8c4000c700b81b88483d7a281
Manifestf222330c33b048420f8738764d8f374f1a9b9a1daaaf1422205752c57a46fed5

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
SignaturefB4ylOEJoLlP3R3D4FNa8IfTVUeuq722Chj/7b/sah+T5CdNzxN4tDcqFfl1A35MQMjfFwU1gWzcqViS+lyaDg==
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

2026-09-17T11:20:14.101708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039932
observed bf23f9456cc1103df102a575f37aa133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.082862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039932/manifest.json
observed f222330c33b048420f8738764d8f374f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.064053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039932/publication.md
observed dcbc30aca28f1cde290caf251bfaf4a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.045852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039932/publication.txt
observed d9c9b6ea8ef1b6d17a57fee7a5ac73d1...
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.