OpenTechnical

OT-2026-000063645

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000063645) never changes.

Identity and time

Publication numberOT-2026-000063645 · never reused
Internal UUID01a0ae8c-f946-7218-891e-dfc9efa9f5f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063645
StatusPUBLIC

Content hashes

Canonical textc7976c4d434f5786526671cb2ce05daac61d1a625c6581786a93d8f040558a3d
Markdown1bd34191fd3376fbcc73a7637724dae3509a5d1cc5ce13cae8d1cb9e65ddc48e
PDF
Publication page78a9003a86d0f25195dab4bb00a6cad91535932872512c5cf0961e1d13a8e3a2
Manifest0340f54ad1b3bacf9ee67af65c8ffbf02cf53cfc741f8eaf4a2e853b5956bc24

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
SignaturerzCJTpZCBwcqIhEPZ5g5ZjDOCDz+oGRqZA3M3joEY2L5wJAf0T2nOd7DxgKrEtAyKQyjToqpW37pmGitUN/jDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:44.959906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063645
observed 78a9003a86d0f25195dab4bb00a6cad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.939693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063645/manifest.json
observed 0340f54ad1b3bacf9ee67af65c8ffbf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.922639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063645/publication.md
observed 1bd34191fd3376fbcc73a7637724dae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.904866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063645/publication.txt
observed c7976c4d434f5786526671cb2ce05daa...
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.