OpenTechnical

OT-2026-000041237

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000041237) never changes.

Identity and time

Publication numberOT-2026-000041237 · never reused
Internal UUID01a0ae79-b143-741b-829c-a832c620aac4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041237
StatusPUBLIC

Content hashes

Canonical text0227954e42a0af7629171ee924c1289ef5a58972f3d7066e2f16f1506ba56939
Markdown86cb0b8c4aaadca151a72d78d5dfdb09874918f629e3b6d174f92f1c988b7ae3
PDF
Publication page1e391c4c1bd66fb2d97c3219ecbb6b88c8dffb78a2ab8b16499de350b0e1d8ab
Manifest3a4e5b18d8a1213b7613fd23472e05a46b7d65dae66f22c924674e57d65fde4d

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
SignatureJmu4L0juldGhesy0lNVZ+GHF2u6Po4tEL9vTUIowUb2ApQfM2nu7yLiXqaCRgZHy91yVtsIqKCWEr7fxH/HiBg==
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

2026-09-17T11:17:12.186797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041237
observed 1e391c4c1bd66fb2d97c3219ecbb6b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:12.169896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041237/manifest.json
observed 3a4e5b18d8a1213b7613fd23472e05a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:12.152813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041237/publication.md
observed 86cb0b8c4aaadca151a72d78d5dfdb09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:12.133921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041237/publication.txt
observed 0227954e42a0af7629171ee924c1289e...
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.