OpenTechnical

OT-2026-000065405

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump 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-2026-000065405) never changes.

Identity and time

Publication numberOT-2026-000065405 · never reused
Internal UUID01a0ae8e-46f8-7da1-a7b1-89ab14813cd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065405
StatusPUBLIC

Content hashes

Canonical textd9b8653116083052b34776aeee37d8b327318c641392c2a3ccaee42d637db0d4
Markdown77503a6d037181671cc1816c4a8433122d4824b4e7be156bb6224f8db955e2f6
PDF
Publication page91652baf8248ca90f0652d5fbd57c14649d8a8372af44c7288f07930cb2894d3
Manifest57161664bb68a8fed54031aa987678e740332d30c3c00d875c3611d6b71fd7c8

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
SignaturegVIyx2ssJniig8Ox1pZ3ezf3eN9D1hXDugB9WpOY5VfbuttZUfvwJiUcoQrbknhNnruUXEMC/p6IOPXO76uDCA==
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

2026-09-17T10:33:40.101716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065405
observed 91652baf8248ca90f0652d5fbd57c146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.082915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065405/manifest.json
observed 57161664bb68a8fed54031aa987678e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.064629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065405/publication.md
observed 77503a6d037181671cc1816c4a843312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.046876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065405/publication.txt
observed d9b8653116083052b34776aeee37d8b3...
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.