OpenTechnical

OT-2026-000059505

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000059505) never changes.

Identity and time

Publication numberOT-2026-000059505 · never reused
Internal UUID01a0ae89-8619-7b67-a692-d721ce10d9d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059505
StatusPUBLIC

Content hashes

Canonical text09693d2d0f10cadaab2633fa38fed03f476bb876ab2919c6badc7526ae69eda1
Markdowned873a168dc3b511fe103954f11325ad6f5df4ed4927e5a88e1e370fc4a50779
PDF
Publication pageb5dc0f828cbfa3d0a459847eea7d3f91306e683d190b61cd75bf2292e719179e
Manifesta4a7fc6b7a4d164f2fc31730cb66791ab52946bbe6e466f7c9178765b1915bb2

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
Signature4Ggdvprey57QA1ZxeeVa7rjx9fTj5f5SmabzmxlxOfiPacnRKTOxqw0AAoSHIBTEFLBmUiX+wztp9t5YuanTCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:13.172101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059505
observed b5dc0f828cbfa3d0a459847eea7d3f91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:13.155284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059505/manifest.json
observed a4a7fc6b7a4d164f2fc31730cb66791a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:13.136566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059505/publication.md
observed ed873a168dc3b511fe103954f11325ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:13.117414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059505/publication.txt
observed 09693d2d0f10cadaab2633fa38fed03f...
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.