OpenTechnical

OT-2026-000027549

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000027549) never changes.

Identity and time

Publication numberOT-2026-000027549 · never reused
Internal UUID01a0ae72-6999-7365-95bd-a0e99460f001 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027549
StatusPUBLIC

Content hashes

Canonical text81e24bd7cdf3f5fedf6887c85f9991dc2690ff94c81d019069076c5e62d1d592
Markdown7a4955f4ee7e4945baefc245735a4fcfa9bbcbfe8f4388b6bffa0464d6fbb500
PDF
Publication page932d03e38936c6f7dbef2b0fe734fd3049373a9ef9ea4c4d327620a9b4dce289
Manifestc7d9a68efd6c74cf8077ac279db2ee2433f1a8cda1ac7bf0376ee537564439ed

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
SignaturerhhV2TFOQMB9ifIj+GM55JMYlNOasNmY8sL3O2EfbD8bk6k0sbhaJ6jJsVFVAHR3oIeTUwXfi7yl1etAVOpBBA==
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

2026-09-17T11:43:02.235560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027549
observed 932d03e38936c6f7dbef2b0fe734fd30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.217719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027549/manifest.json
observed c7d9a68efd6c74cf8077ac279db2ee24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.200389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027549/publication.md
observed 7a4955f4ee7e4945baefc245735a4fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.183105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027549/publication.txt
observed 81e24bd7cdf3f5fedf6887c85f9991dc...
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.