OpenTechnical

OT-2026-000063217

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000063217) never changes.

Identity and time

Publication numberOT-2026-000063217 · never reused
Internal UUID01a0ae8c-94ab-7420-abed-28d6549606fd · 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-2026-000063217
StatusPUBLIC

Content hashes

Canonical textf9cdb7a08bd24b5c904bd73c4d8895ffac5c497aaafddbe0b8907c2a165bd97e
Markdownad0845451e6a65e23fb20662c0e0a002de069390d2a29f82d2a6a028b13504b7
PDF
Publication page56fffb3a3151afdab23530528fa93abeed117b73700d23a267ca9f1cd07ee134
Manifesteb98f4250a1bf772bc03801ba3d762f8b59d3054973520caf4d0022904ac3566

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
Signature2kifzcecYlqVxb/tQQsquYhcmRre1qyn/UQG89j/nSa50+ND6Z6eJwhJt6Y1wJIm1IGMQomP9aCq5P1pE/JoAg==
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

2026-09-17T10:39:05.620729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063217
observed 56fffb3a3151afdab23530528fa93abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.603124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063217/manifest.json
observed eb98f4250a1bf772bc03801ba3d762f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.585841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063217/publication.md
observed ad0845451e6a65e23fb20662c0e0a002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.566483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063217/publication.txt
observed f9cdb7a08bd24b5c904bd73c4d8895ff...
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.