OpenTechnical

OT-2026-000062428

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000062428) never changes.

Identity and time

Publication numberOT-2026-000062428 · never reused
Internal UUID01a0ae8c-0abf-794f-92fb-f113f0d05591 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062428
StatusPUBLIC

Content hashes

Canonical text37a1ef30992bc8b41a421e9cb9a17fa1f45790ad39744f74a64ce6c1f955ae06
Markdownd86b2339d77a260c5deed4ff8e7333a9219eb3358f6c738d4bfafce1840fdb82
PDF
Publication pagebbf63a1d0ee940364f48af9fed7e6a01b068968df06566a3776064d43178c8da
Manifest5d17356cc84e7831b6d1794dd70d53f0609673c9008fe7637ad731250f3f78bd

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
SignatureSdSVRBu5VtsmkvFbu4cF0kDOMi/NEFC8fPannYBuIVO7uKIbsGyjq06KRKkVKbS3Mp2V5gKV0OkysoqaoUmHAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:45.875764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062428
observed bbf63a1d0ee940364f48af9fed7e6a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.856950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062428/manifest.json
observed 5d17356cc84e7831b6d1794dd70d53f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.839195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062428/publication.md
observed d86b2339d77a260c5deed4ff8e7333a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.821657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062428/publication.txt
observed 37a1ef30992bc8b41a421e9cb9a17fa1...
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.