OpenTechnical

OT-2026-000056466

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line 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-2026-000056466) never changes.

Identity and time

Publication numberOT-2026-000056466 · never reused
Internal UUID01a0ae87-4bd3-7a31-b357-11561e3d6113 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056466
StatusPUBLIC

Content hashes

Canonical text7fe7ff426103276602933a15aa8fba9917f86aa5b97239e3299ea51c7f9bd131
Markdownad53a5027eadb8ccfdb8cb3e4922759497112fb982f992062b2d76c6e93e7354
PDF
Publication page8319966270680019041f2a09751ba0c6fe14e81c761b7854c0b631ba4a712b58
Manifest681e814229a6fe8477023b65a861bc4208f41427a6ca5ca4d20c074a39baba17

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
SignatureDaKlDjRO/48V3er92M8Wpu2KF6JOeyvQ65sI8YaSazCoCl6dg+so0VE/16tC+kds9Qh8IhktWLkzG3zanvn1Aw==
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

2026-09-17T10:51:00.363948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056466
observed 8319966270680019041f2a09751ba0c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:00.346418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056466/manifest.json
observed 681e814229a6fe8477023b65a861bc42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:00.329837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056466/publication.md
observed ad53a5027eadb8ccfdb8cb3e49227594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:00.310996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056466/publication.txt
observed 7fe7ff426103276602933a15aa8fba99...
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.