OpenTechnical

OT-2026-000046237

Publication integrity record

Two cup vacuum gripper, two 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-2026-000046237) never changes.

Identity and time

Publication numberOT-2026-000046237 · never reused
Internal UUID01a0ae7e-57ca-7fc3-8350-8d8030f36702 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046237
StatusPUBLIC

Content hashes

Canonical text894ba0c05ea8c91be50efc84767ce99f5ea93b1df830f1a486cc46a7e9c60593
Markdown686eb3ef4ead4f7c9177dd769bcbd936b172b0e94da66f52d12ce5641c480034
PDF
Publication page700eabcb35e70690393b50d515cb8dbc0f3a263793640bee226178de54a4d314
Manifestc3451bdbca0f5339029c6160fcea4d1cda5b6b63be6071f0d8271136d688af72

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
Signaturewzmb2I+1H2s1jP2lCcyT/a8kcMvn0H27fKOsHFryQrcrtWKERwhECvlD/I9mJcLtmMkXPVs9X+8+1iMcqZHlBw==
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

2026-09-17T11:08:05.157439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046237
observed 700eabcb35e70690393b50d515cb8dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:05.138773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046237/manifest.json
observed c3451bdbca0f5339029c6160fcea4d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:05.119548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046237/publication.md
observed 686eb3ef4ead4f7c9177dd769bcbd936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:05.101393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046237/publication.txt
observed 894ba0c05ea8c91be50efc84767ce99f...
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.