OpenTechnical

OT-2026-000052022

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000052022) never changes.

Identity and time

Publication numberOT-2026-000052022 · never reused
Internal UUID01a0ae83-e78e-7916-bae8-df5e67c5087d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052022
StatusPUBLIC

Content hashes

Canonical text09aed1b5e21a8cf096640814d941a22117504cc56f92b44e84f406b1e75bfd91
Markdown4fa7c1294c9c5b539c1f4f278b829957ba9d7e89984562359c2fb4fa4a071a2a
PDF
Publication pagee293541f8a8d7dc9bb5cb4919f066ef6a547b4fe2f4d1d5bfe4713dc79fc86dc
Manifest5cde17dcbeeecafd396daec8850c4fa18b7f7cd5d4869e8e6f1be8187be9162f

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
Signaturep6X4avImrY44OoHOGtmvnngeurJTZic8Dgk9P8afYtr+DI95lTqjwbKdZJX2F5fE9oidM7BScspBj2VH4kvrBg==
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

2026-09-17T10:57:32.012615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052022
observed e293541f8a8d7dc9bb5cb4919f066ef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:31.992911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052022/manifest.json
observed 5cde17dcbeeecafd396daec8850c4fa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:31.973786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052022/publication.md
observed 4fa7c1294c9c5b539c1f4f278b829957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:31.956013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052022/publication.txt
observed 09aed1b5e21a8cf096640814d941a221...
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.