OpenTechnical

OT-2026-000044192

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000044192) never changes.

Identity and time

Publication numberOT-2026-000044192 · never reused
Internal UUID01a0ae7b-d67b-76ec-a0fb-264f24a03708 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044192
StatusPUBLIC

Content hashes

Canonical texte6fcca8f83cbbed938e3acda3adaf100a19260257dc79b200eb9942bbf4560cd
Markdown3c30aae53d18486d9ea2c276442f34ea87b01ef3d5a0ada038aa9ed8cd961d74
PDF
Publication page17c8e70d32bcc5337dfeecbeb8045c90405264c97b0bf70ae86ab2ca622203ee
Manifest6b73df525d5c13344b97138c9fdf546e63a9bd8dcab2195fd7faaf8c7d70d5b7

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
SignatureJCNGsPEZ6IpHg7TZ96ji65TvGccOl0HVsv030MUFwZw4r55RQ125cy4umPaQj89BI9I3XHntCSPeQGvdxtcNAQ==
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

2026-09-17T11:12:44.399332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044192
observed 17c8e70d32bcc5337dfeecbeb8045c90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:44.379737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044192/manifest.json
observed 6b73df525d5c13344b97138c9fdf546e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:44.358807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044192/publication.md
observed 3c30aae53d18486d9ea2c276442f34ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:44.338171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044192/publication.txt
observed e6fcca8f83cbbed938e3acda3adaf100...
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.