OpenTechnical

OT-2026-000063192

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000063192) never changes.

Identity and time

Publication numberOT-2026-000063192 · never reused
Internal UUID01a0ae8c-94ab-7fea-b964-9f8878361d3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063192
StatusPUBLIC

Content hashes

Canonical text80a7bfdd5cfb68ec2ebc788be3b3e4a5dd99aeb55ab295b4286d4c525a31be32
Markdown5ba8fe7570a153e42d6398ebdbca2d071d03da8cefbea82a53a8d858c2204590
PDF
Publication page6e3910f68a507b8ea117e971e79c8705fb779351461156b107986651120f88e2
Manifest0d2634e658699e86fdeda8788eaa04ddd6de8a5c70610b3c8fe738a281980821

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
SignatureETgA8Ccuck/7ujI7s54RbaTBrYGHPJd69097zVfmTSWd2dk/JEJRjMOMUZyi11gflC9rXPCDbpDB8BFkmgU1Aw==
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

2026-09-17T10:38:59.324965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063192
observed 6e3910f68a507b8ea117e971e79c8705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:59.306673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063192/manifest.json
observed 0d2634e658699e86fdeda8788eaa04dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:59.290555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063192/publication.md
observed 5ba8fe7570a153e42d6398ebdbca2d07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:59.273607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063192/publication.txt
observed 80a7bfdd5cfb68ec2ebc788be3b3e4a5...
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.