OpenTechnical

OT-2026-000025556

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000025556) never changes.

Identity and time

Publication numberOT-2026-000025556 · never reused
Internal UUID01a0ae71-5fa8-70fb-bc49-8a98d65f2ca5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025556
StatusPUBLIC

Content hashes

Canonical text7ae3633dca74e6acc5abff35a33822139809c0bf9f1150ac84c6d029cfab34ea
Markdown5bd3e72aeebecaf23434e2db6ab025397d7f8f9fde5157e30cc51c6a27e6185c
PDF
Publication page58126f90b433c00683be4d21d275b655ae05c1de2520dbf508ceb57bdc3f1e82
Manifest5d3521f545cdcec6e11473bc4602d9eb2eeac11f5a8c3d318752ca5aee69c7bb

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
Signature02btPxBblL/Lj4QpcRn8+eVKPO3BDdvahboakCoo0XAeB5AFbsFrT30VIRtLst0IrC7LAeaIGaBb69BuMlg2Dw==
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

2026-09-17T11:47:42.489468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025556
observed 58126f90b433c00683be4d21d275b655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:42.470253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025556/manifest.json
observed 5d3521f545cdcec6e11473bc4602d9eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:42.451938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025556/publication.md
observed 5bd3e72aeebecaf23434e2db6ab02539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:42.433451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025556/publication.txt
observed 7ae3633dca74e6acc5abff35a3382213...
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.