OpenTechnical

OT-2026-000011806

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000011806) never changes.

Identity and time

Publication numberOT-2026-000011806 · never reused
Internal UUID01a0ae6d-1941-7598-b5ec-53024acac334 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011806
StatusPUBLIC

Content hashes

Canonical text36118ae310273a2b8802e2370b5be1a8211a74507754879da78cb78c0327c44b
Markdown5a169227a17d3c420cc3fbe649ce94fbbb3bf466f1d30eb545eb53014aa7c2dc
PDF
Publication page93191f1940af6018811c3974e57060f663934c92b7dd219a300999eb6ead48d2
Manifest81d38773347ea36d2f6f58a8c1c152c3c2b1a2933eda0c63ab5355325554cfff

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
Signature0b/m3Tb6gkeTh9pGmC7mkkjEiN20u6C6oECliyxy7AE/ccNuEJULzxGUQ7PJsEESojNBBA8vwQcwzGNPLZ6hDw==
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

2026-09-17T12:12:31.992600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011806
observed 93191f1940af6018811c3974e57060f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:31.973577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011806/manifest.json
observed 81d38773347ea36d2f6f58a8c1c152c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:31.954412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011806/publication.md
observed 5a169227a17d3c420cc3fbe649ce94fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:31.936413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011806/publication.txt
observed 36118ae310273a2b8802e2370b5be1a8...
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.