OpenTechnical

OT-2026-000049182

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000049182) never changes.

Identity and time

Publication numberOT-2026-000049182 · never reused
Internal UUID01a0ae81-134e-7847-b19e-2ad867424bb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049182
StatusPUBLIC

Content hashes

Canonical texte3bb149ea7fdc8a7438c92317df905097a02b4807155d8d6e926dc30c27eacd5
Markdown119ce9412bfa155adc3b3d2c1da1754bb53ee99e38b6149c51cff22dff4b5a79
PDF
Publication page4e1d0080c8d938f5a7a5c0f7daf039502144a1348416df4da1424a2b7902cda9
Manifest0d490e665b348a00c020ed63e388c4337c922d82ed292208294e3f01c4a01239

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
SignatureKXjNQn6JCugPnXwxDKZGRUwsl5wec/Kkqm99Dg3Shk5EZBCXeOOAmgFOIyF42TgvYPxDP6W6Mo8CheleeWMwDA==
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

2026-09-17T11:03:59.297004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049182
observed 4e1d0080c8d938f5a7a5c0f7daf03950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.278445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049182/manifest.json
observed 0d490e665b348a00c020ed63e388c433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.259599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049182/publication.md
observed 119ce9412bfa155adc3b3d2c1da1754b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.241143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049182/publication.txt
observed e3bb149ea7fdc8a7438c92317df90509...
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.