OpenTechnical

OT-2026-000054961

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000054961) never changes.

Identity and time

Publication numberOT-2026-000054961 · never reused
Internal UUID01a0ae86-5e80-7e2c-9f85-a21011f8ff7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054961
StatusPUBLIC

Content hashes

Canonical textc08c50da1523edc6c7c42619ad3d8b4c0a78f466831692e9037ab6f621e13ec3
Markdown15f95901edbfeb3f60a7894ec1d31cd3e36e45c98b8197ca8d30fa6c167956d4
PDF
Publication page8d6881a17987bbef0be53a2b13fd3800a9b820d7ea60b27d59329879224d971f
Manifest9454dd935f0101fbccf8c9364221c2f64596470819e6b4a8a764c5aece1d1acd

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
Signature2Zo23nl9R2WxqQ1wysS9gmm4OCV+qd5JZAzwDlTtOWEFbF+DydPYCpA/ASVe9U3f/53CbSGPyJh8+dYi2FauAg==
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

2026-09-17T10:53:04.435834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054961
observed 8d6881a17987bbef0be53a2b13fd3800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.416612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054961/manifest.json
observed 9454dd935f0101fbccf8c9364221c2f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.398688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054961/publication.md
observed 15f95901edbfeb3f60a7894ec1d31cd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.382069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054961/publication.txt
observed c08c50da1523edc6c7c42619ad3d8b4c...
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.