OpenTechnical

OT-2026-000070064

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000070064) never changes.

Identity and time

Publication numberOT-2026-000070064 · never reused
Internal UUID01a0ae91-1861-7ad9-a734-7c7e64c5f537 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070064
StatusPUBLIC

Content hashes

Canonical text5b12c7620ffe7bf8a43f7fd6ca61e46dd7b18898d9e8e7316698ad86340acb76
Markdownccd6a05d400e3a9b7ea0a53bd05bec1e74cf8c9cc710505287d71eb170e90e14
PDF
Publication pagefce19f9868633ba92a7ef035739e2bb29b15032989e0018623521eb6c3bd63f8
Manifest122f6e476f86189522a3757fc9f87d27492ccb08631ed53a23cddbc3cf5ec9de

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
Signaturehn1FgrOibAkY1/7hRm6IwRwfbc1ymZV0/b4vFr9bRNyx8Y8/txjNpvQoVAL0LMnls6S6MdzQNmwj77uyXslCBA==
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

2026-09-17T10:27:01.433227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070064
observed fce19f9868633ba92a7ef035739e2bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:01.414635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070064/manifest.json
observed 122f6e476f86189522a3757fc9f87d27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:01.397319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070064/publication.md
observed ccd6a05d400e3a9b7ea0a53bd05bec1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:01.380067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070064/publication.txt
observed 5b12c7620ffe7bf8a43f7fd6ca61e46d...
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.