OpenTechnical

OT-2026-000063509

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000063509) never changes.

Identity and time

Publication numberOT-2026-000063509 · never reused
Internal UUID01a0ae8c-f945-7e83-95ab-c3f7ff174731 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063509
StatusPUBLIC

Content hashes

Canonical text44a01f117ca0d1add6f1a4ff7a108be2aca843e5ec6acf634700d62186252c6d
Markdown2ed1fb0442c55e05068e60aacc6bebea75aa70ab16c6c855a7ee00c5bb806833
PDF
Publication page72ce9b82cb5a5ce1c2390f963621a00c617dda42f84d5be9751e8b8b0d3dafea
Manifeste9bc8e464547bc4c22526b8d92fb763371ab37d5119b55205f75f6e3b5bb42d6

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
SignatureAVDEV27OXsgLaqiddgwqAiU37iVIEbQ73ya+FdEGLn7ggjc926pomgSJZQCJP34KCn5n9Adzn/NJsfkctTrRCA==
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

2026-09-17T10:37:29.556506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063509
observed 72ce9b82cb5a5ce1c2390f963621a00c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:29.538865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063509/manifest.json
observed e9bc8e464547bc4c22526b8d92fb7633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:29.521989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063509/publication.md
observed 2ed1fb0442c55e05068e60aacc6bebea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:29.502493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063509/publication.txt
observed 44a01f117ca0d1add6f1a4ff7a108be2...
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.