OpenTechnical

OT-2026-000013546

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000013546) never changes.

Identity and time

Publication numberOT-2026-000013546 · never reused
Internal UUID01a0ae6d-6fcb-7b72-9ff6-d03cb1ff3c04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013546
StatusPUBLIC

Content hashes

Canonical text6ec4af09fa338acedfe3d21fa1d84e16f3fa9a2fe284afbaddb87297ee496489
Markdown06f75be9a06d7feaf5da93200582a2f1d4b1508d128a1d75d5d64072baaa3466
PDF
Publication pagef73ed4c60019f869f0cdf6acb5da1c2f93c19b9ce040027ca1e04ebd45d6fc68
Manifestf578ad1cce4ff4bd50f478c351f011424707251ace6b09c9c9f2c8ff71e87e98

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
Signature+XPXJxwlLnFf8+hxPUAb6I3Xzh9mdNFMxmIJCbVrUnZV3DDJVOUjdk2dSNj5du6Ysi0bSBSZYrvk1w00hu5BDQ==
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

2026-09-17T12:10:05.263650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013546
observed f73ed4c60019f869f0cdf6acb5da1c2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:05.245219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013546/manifest.json
observed f578ad1cce4ff4bd50f478c351f01142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:05.223414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013546/publication.md
observed 06f75be9a06d7feaf5da93200582a2f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:05.200143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013546/publication.txt
observed 6ec4af09fa338acedfe3d21fa1d84e16...
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.