OpenTechnical

OT-2026-000049697

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000049697) never changes.

Identity and time

Publication numberOT-2026-000049697 · never reused
Internal UUID01a0ae81-8fee-7212-8e52-71b245e389a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049697
StatusPUBLIC

Content hashes

Canonical textaf41c013ea731dc4eefeade89d275f850bb7cb489fadbf2c9604dc6bdfd10572
Markdowne1a226451ae95a30cf5566c3d5e14147acf511d32c2fa40c09b146f513d2eae2
PDF
Publication pagea9b8ed1ae3ba15ac93e7cd81e4440fa38cb400823d42172c3471138fbf3e0dab
Manifest6f646ff5a0007898ec48df70b347ef6e08db84baf6973597dead8699fcd054a1

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
Signature6LXPt+Y3iytTV7RUFY+KVE4Bjh070Tl4e4itjRieqz2Isu9qSJjgh/BoBUeeB7ayyIUc54fucbPW08hdHMVECg==
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

2026-09-17T11:02:42.580570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049697
observed a9b8ed1ae3ba15ac93e7cd81e4440fa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.563302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049697/manifest.json
observed 6f646ff5a0007898ec48df70b347ef6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.546338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049697/publication.md
observed e1a226451ae95a30cf5566c3d5e14147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.529368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049697/publication.txt
observed af41c013ea731dc4eefeade89d275f85...
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.