OpenTechnical

OT-2026-000027949

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000027949) never changes.

Identity and time

Publication numberOT-2026-000027949 · never reused
Internal UUID01a0ae72-a51e-74a1-93de-67181fef9acf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027949
StatusPUBLIC

Content hashes

Canonical text0b2365a5ec997d6311515895a2f00727d4c66df3cf39d77d11b88cb8ba742b51
Markdown90dd3e261acc574e84343b79fe7e34a6b0fe984d6d2ba81d65532d9f20ab5ce0
PDF
Publication page74df1703957394ea72c4a96a98f2027a8703e83cb07ca10d7a28f18256490390
Manifestba1bf18aa65772a38fa03d911e72444c20761df01e8d68c0838b946fb7b2f244

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
Signature46tgc16PCTcH8KUpixhJOQ4lrGbMJb/vu3u6jaJGgFFUAq2BDweMffRrjOnhokiUGQ1c6OpTJIQLtr//VCTeAg==
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

2026-09-17T11:42:08.029304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027949
observed 74df1703957394ea72c4a96a98f2027a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.010746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027949/manifest.json
observed ba1bf18aa65772a38fa03d911e72444c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:07.992159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027949/publication.md
observed 90dd3e261acc574e84343b79fe7e34a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:07.973145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027949/publication.txt
observed 0b2365a5ec997d6311515895a2f00727...
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.