OpenTechnical

OT-2026-000043436

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000043436) never changes.

Identity and time

Publication numberOT-2026-000043436 · never reused
Internal UUID01a0ae7b-327f-7fab-86ef-610ab339a3fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043436
StatusPUBLIC

Content hashes

Canonical textbff972d5bfe996979b447708f2984938ba2c0d5a790f8fae9db22df3b818641a
Markdown11e615d1164d6d5240fda350054bba2be139ef4603a8c00e9b5d8c77aa1ffe20
PDF
Publication page04437187683be7acc715ef161441edc0b1f8e107c2ae313db4821f79d6ac7a8b
Manifest7078692e3338904b818df80bd00c9e19a3f9b14f4f064213a68a4ee3415e02a7

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
SignaturenRqQs3fun5EMeXEKhtqJtcfJQ+2oNReKsVRvDv1arqgurgFZZ6Q59Ardxgys00g6XACLxazaZyk5sKhanSkcDw==
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

2026-09-17T11:13:59.002308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043436
observed 04437187683be7acc715ef161441edc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.983242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043436/manifest.json
observed 7078692e3338904b818df80bd00c9e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.964423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043436/publication.md
observed 11e615d1164d6d5240fda350054bba2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.944872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043436/publication.txt
observed bff972d5bfe996979b447708f2984938...
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.