OpenTechnical

OT-2026-000084025

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, sustained blow-off before 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-2026-000084025) never changes.

Identity and time

Publication numberOT-2026-000084025 · never reused
Internal UUID01a0ae98-5b5e-78db-853b-3e419a8405c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084025
StatusPUBLIC

Content hashes

Canonical texte956c7337e8a1a99eb6e4c35bca80088661edcc28b82981b9346d486e5697fb2
Markdown7a17865de27fadca9e9774b5d091a51f0bc95ba021b0db71e0b91c563c52fb85
PDF
Publication page38d2e6037d0483b095c0085592da072d16eb8fb7a2d41a230ffce45c160c1b1a
Manifestafb80ee87b78d14149bca8dc88cb32c1dbed227a557b58422f91efc44229bfdc

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
Signature0QPjfU+Wpv7mNab8k8RmthRLyMqeJe123Q9n2yNpzn0CJ6NP0UVnxExWDabSM4+T8s3TXUaJUI6R4EQBVPSmCQ==
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

2026-09-17T09:55:44.893729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084025
observed 38d2e6037d0483b095c0085592da072d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.876535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084025/manifest.json
observed afb80ee87b78d14149bca8dc88cb32c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.860180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084025/publication.md
observed 7a17865de27fadca9e9774b5d091a51f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.843738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084025/publication.txt
observed e956c7337e8a1a99eb6e4c35bca80088...
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.