OpenTechnical

OT-2026-000057398

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000057398) never changes.

Identity and time

Publication numberOT-2026-000057398 · never reused
Internal UUID01a0ae87-d5be-7882-8a29-5685f4e67bed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057398
StatusPUBLIC

Content hashes

Canonical texte12df4ddb878e47b46d5242556971cfea8d060ec22fac56163d2eb3e6623b5da
Markdown698e5ff2d5c63baebd48ff8532606864e7eef140df79191c86fd9ee97bac3fd6
PDF
Publication page7abfa1a5db4372f4c7a3b52e904059be265fa10f1b6fddf02f987b27e6952472
Manifestdf441ca10e7f8066da7d70f05ea9992e290172bd91f05926d07d097e3059fa1f

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
SignatureBLibfK0YcsFdzu49d88dZzVxKb/hQ8gVWYHN5wj/koxa+rzZGlQXmgvEiUpSuERUrGWZIZCR5KNsrYHvAiOlAw==
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

2026-09-17T10:49:41.055660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057398
observed 7abfa1a5db4372f4c7a3b52e904059be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:41.034349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057398/manifest.json
observed df441ca10e7f8066da7d70f05ea9992e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:41.015825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057398/publication.md
observed 698e5ff2d5c63baebd48ff8532606864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.996625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057398/publication.txt
observed e12df4ddb878e47b46d5242556971cfe...
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.