OpenTechnical

OT-2026-000041973

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000041973) never changes.

Identity and time

Publication numberOT-2026-000041973 · never reused
Internal UUID01a0ae79-e8a7-7864-94ec-04342c4d4b43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041973
StatusPUBLIC

Content hashes

Canonical textbbba6f5bd73f3ae5f4f1525b180666c345ac24962c368d1bd2b156632d3618d2
Markdown29d2b0ea12db47bdee10a82ddb23801782f5ba76cb59aee8349bd49d06f63bf4
PDF
Publication page2b487e850069bea58056684ad037f75a2277ece8631cc9db839fe744ca7ab93d
Manifest48c9350e2b8b49a583e0e4d98777229417a6978ebf7f70e8d55fbc7b368b1ae0

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
Signature4vLWLHOf9k8vZw5PEag+WRyyORIZGv2HgVSN/EQZBE6FAO6Ek5dCqa0dH6Pd2leqz+wfL/q7/wA6dZkiyzZyBw==
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

2026-09-17T11:16:52.012470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041973
observed 2b487e850069bea58056684ad037f75a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.997506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041973/manifest.json
observed 48c9350e2b8b49a583e0e4d987772294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.981849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041973/publication.md
observed 29d2b0ea12db47bdee10a82ddb238017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.965348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041973/publication.txt
observed bbba6f5bd73f3ae5f4f1525b180666c3...
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.