OpenTechnical

OT-2026-000102449

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000102449) never changes.

Identity and time

Publication numberOT-2026-000102449 · never reused
Internal UUID01a0aea4-8589-7d0f-aff2-cd0d5d5c0f01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102449
StatusPUBLIC

Content hashes

Canonical text0eabe7e4a3a862562c741b3225565b3f0bb35131b2d1c2809e5ff0fa64a9b6d3
Markdowncc6277445acb7a7683fe11327757431db3e07785356ab688eb16d33b10159b14
PDF
Publication page0052d22956726cfd2329a5eb4a88a612e8b84d0b3240d08cc256adfbb2df8977
Manifestdcf5c4fbb6404dfc04b63bb6e5fa23308420cb3fbe34e6b9a0724f09ae0edddd

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
SignaturemQ06rXsYbAlp6quMshpU90HO5/WA/7C2SmTH3Lf3wqe0V5RkMICaHC32mfFIKcBtdE40lLhgjj07UA2XFJnuCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:47.912427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102449
observed 0052d22956726cfd2329a5eb4a88a612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.894552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102449/manifest.json
observed dcf5c4fbb6404dfc04b63bb6e5fa2330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.875974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102449/publication.md
observed cc6277445acb7a7683fe11327757431d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.856542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102449/publication.txt
observed 0eabe7e4a3a862562c741b3225565b3f...
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.