OpenTechnical

OT-2026-000053722

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000053722) never changes.

Identity and time

Publication numberOT-2026-000053722 · never reused
Internal UUID01a0ae85-735c-7f1e-83bd-a05516e0e00c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053722
StatusPUBLIC

Content hashes

Canonical textd5c24aec1309a2090ce62ba2c1a6bd0e791a752ff47f1283f25531fd33d337ed
Markdown5e749dfa9bfad638594b19da71ee80400d876f166461ec57f8c1cbb1ad45f6f0
PDF
Publication page041ef34684d99aeee057836157ce7cef71c289b3b4870f20e2454e07accd1a56
Manifest83f470db731e43781b594dd10675d163bc1e83a1d7b9a4de2b1f9b4fea067e56

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
SignaturekyC89lOlRjxSdkSWj0UKkwagF1KfR6aM6gJiCn7V6FMoj+QxVQb6DU9ho8WqARCcQp0+6S+83Dn79PntgBJJDA==
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

2026-09-17T08:40:17.294748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053722
observed 041ef34684d99aeee057836157ce7cef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:17.275236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053722/manifest.json
observed 83f470db731e43781b594dd10675d163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:17.255855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053722/publication.md
observed 5e749dfa9bfad638594b19da71ee8040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:17.232796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053722/publication.txt
observed d5c24aec1309a2090ce62ba2c1a6bd0e...
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.