OpenTechnical

OT-2026-000055001

Publication integrity record

Two cup vacuum gripper, two 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-2026-000055001) never changes.

Identity and time

Publication numberOT-2026-000055001 · never reused
Internal UUID01a0ae86-5e80-7c9d-b76b-4178acea8be9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055001
StatusPUBLIC

Content hashes

Canonical text67ffd542940e395892484f64e0fa62e454933eb137f3aa475941b7cfe4d98066
Markdownb617fca93e45a0ce2c07628abe4bbccec9cb91d78fc263920c3cdac734a41c29
PDF
Publication pagee31864496d2ce51b4195ef69254c3e0a80a11f25b377942b14470d0bf3c17a39
Manifest9f1345c3b0ff1f7179752080a2f8b2a1d834f7d16fd9af3e4cae4a5020f8b19a

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
Signaturef34dXm747GAk0jlNV6VnXuAlwuOBSevk3jqTIg1RdBRiXYqgOT2RMNklZKrWnHYHAaAnMS3wULAhumb1+0/3DA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:05.469226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055001
observed e31864496d2ce51b4195ef69254c3e0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.451694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055001/manifest.json
observed 9f1345c3b0ff1f7179752080a2f8b2a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.413968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055001/publication.md
observed b617fca93e45a0ce2c07628abe4bbcce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.369842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055001/publication.txt
observed 67ffd542940e395892484f64e0fa62e4...
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.