OpenTechnical

OT-2026-000013037

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000013037) never changes.

Identity and time

Publication numberOT-2026-000013037 · never reused
Internal UUID01a0ae6d-5564-796a-b53b-a7183dfb4cb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013037
StatusPUBLIC

Content hashes

Canonical textafb418b56a009faaecf6c85600f0bfb9c580b2989d995ca7df5f38bd8e9bca27
Markdown1bb835f984fb807b387c03488c4b342cea4cba4d5a16a63c5242d42266577846
PDF
Publication pagef3b0c3fd49aefcbb806b29d5988d0f34615b78297c53c76a7a34f81785e8c6a4
Manifest1e8a2eddf692529ef4161587231a4f429a34b433cbcbbad03ebf50e7a1115c49

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
Signature/shHUkZKEtcjI4PDsSYgI/tEA2AscNNklXdVY6lSLE/QUdp5cQaBCAvNgpdBOKI2+eEPqcCpBYJqnblLWj7BBA==
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

2026-09-17T12:10:52.043778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013037
observed f3b0c3fd49aefcbb806b29d5988d0f34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.025844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013037/manifest.json
observed 1e8a2eddf692529ef4161587231a4f42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.006639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013037/publication.md
observed 1bb835f984fb807b387c03488c4b342c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.987769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013037/publication.txt
observed afb418b56a009faaecf6c85600f0bfb9...
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.