OpenTechnical

OT-2026-000062113

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000062113) never changes.

Identity and time

Publication numberOT-2026-000062113 · never reused
Internal UUID01a0ae8b-b8b0-72e8-bef8-728fae24c577 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062113
StatusPUBLIC

Content hashes

Canonical textc2093e54e0587914bdda829eaf059992b9ed93c9dada967df97f59e8a7e6d98e
Markdown78eef54ec9afb76f64e44f3d812caea24b91fea4d223e1df929652c9932b5471
PDF
Publication page40177be308429ab9441174b4acd366b1cc834a4c9a588cae20a48e1f091cfb94
Manifest9d5d60663112e7bb6bd588c2a938207598a43918b10d82deb12111dfaf69351c

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
SignaturemmSC2tJ9WLyo7/z3DKXNfBafDfOy0WkdoK12hqB94Ld/oRn8TuItCuiYSrF9Beg7T9ZOrdOE70rNCjLZi+Y9CQ==
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...

Independent retrieval

2026-09-17T10:41:10.408471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062113
observed 40177be308429ab9441174b4acd366b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:10.390110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062113/manifest.json
observed 9d5d60663112e7bb6bd588c2a9382075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:10.371805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062113/publication.md
observed 78eef54ec9afb76f64e44f3d812caea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:10.353659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062113/publication.txt
observed c2093e54e0587914bdda829eaf059992...
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.