OpenTechnical

OT-2026-000013519

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pulsed blow-off before set-down

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-2026-000013519) never changes.

Identity and time

Publication numberOT-2026-000013519 · never reused
Internal UUID01a0ae6d-6fcb-7bbb-b8a0-f2a097b7126b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013519
StatusPUBLIC

Content hashes

Canonical textdca1403bc37a44d9ead42576bc52b050ae7f72ae67eca519207855ad6e663576
Markdown906b9cf2e5ca0b64126282c8f9d1d7ad6e4f7a4c4fbcdca7c558a73c0f47407b
PDF
Publication page32b9b093aba59b948f2da2f3c59a3496739098b9e03bf4951d36529dfc76a07f
Manifest5a97299a37099b03c7e15cc311b27bfe20fa61485eded42b054fcdefe66101e4

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
SignaturewCmkcbejoJHQmxgVNhYT/KxYnQLLrpMTDOa4p5NB8ixz46qsyV44z2BEgCTX9QSEs/V5Bk3mIEu9lToERcqnCg==
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

2026-09-17T12:10:02.044786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013519
observed 32b9b093aba59b948f2da2f3c59a3496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:02.028631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013519/manifest.json
observed 5a97299a37099b03c7e15cc311b27bfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:02.010825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013519/publication.md
observed 906b9cf2e5ca0b64126282c8f9d1d7ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:01.992338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013519/publication.txt
observed dca1403bc37a44d9ead42576bc52b050...
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.