OpenTechnical

OT-2026-000052486

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000052486) never changes.

Identity and time

Publication numberOT-2026-000052486 · never reused
Internal UUID01a0ae84-573a-7af6-903d-aadf688a45aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052486
StatusPUBLIC

Content hashes

Canonical text282a77153ba80f681037f934f66bd4d7c271dc49ef07df0ccd9c3dec5af51305
Markdownde831a07e5ad07b10071d2296b8625fae79bca8e4a76c74173242f0ad869130f
PDF
Publication page4ac9952d36171b92a6ae672c37a1e4cc161066d92f7e9e23f9f5df5f21d30537
Manifest2a548f42ecfe157dec2db4d5c65010697f455da2698f515f53ba0f198a7961d0

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
SignatureleoSyeYZ4DzfoR0LmcpGg0HQKNm27mpm49aux0X/nMKGSj0TYnbDJAgsXQdK6os+/FZX3o0Zs3uafk11BpowAQ==
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

2026-09-17T10:57:07.190046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052486
observed 4ac9952d36171b92a6ae672c37a1e4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:07.172322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052486/manifest.json
observed 2a548f42ecfe157dec2db4d5c6501069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:07.156072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052486/publication.md
observed de831a07e5ad07b10071d2296b8625fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:07.137942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052486/publication.txt
observed 282a77153ba80f681037f934f66bd4d7...
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.