OpenTechnical

OT-2026-000049330

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000049330) never changes.

Identity and time

Publication numberOT-2026-000049330 · never reused
Internal UUID01a0ae81-1350-7bb5-9b18-a84de9bafb01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049330
StatusPUBLIC

Content hashes

Canonical textf5dc9b7ac701194a57d24b2f4784bf82d91f567a88169e77edc11f928270d329
Markdown253f1a01a7bfd2136f0bd0c67d8d14b390858ed5d475e9bafd3c7447c1eb3244
PDF
Publication page9e9dbe204a696f17d2ba9705386811b95a09a45eb8ea76cffcfca076a9aaedc4
Manifest5586dae79dd9c03909f5b1ae17d4ae2be5c2f03d233639f78a9c429e5308252e

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
SignatureiI36vACaYSQyOu0cqVCihoA4szf5uU+zpB4bbZhwqI3PUgYXjDfIdYcCE1dIXAHfzRLyTei53UR6o7hMaoOtDA==
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

2026-09-17T11:04:12.444851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049330
observed 9e9dbe204a696f17d2ba9705386811b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.424354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049330/manifest.json
observed 5586dae79dd9c03909f5b1ae17d4ae2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.402767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049330/publication.md
observed 253f1a01a7bfd2136f0bd0c67d8d14b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.384312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049330/publication.txt
observed f5dc9b7ac701194a57d24b2f4784bf82...
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.