OpenTechnical

OT-2026-000042717

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000042717) never changes.

Identity and time

Publication numberOT-2026-000042717 · never reused
Internal UUID01a0ae7a-c0cf-7c59-9691-35991a57df07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042717
StatusPUBLIC

Content hashes

Canonical text588c56328c589a10dd9368714572b76a3486abba225da38bea2f7b6e6932879a
Markdown3ce1afa943033f282162134c46c7cc9222038a46cdaaf1d4cadcf423c6c8fec5
PDF
Publication page1bc0e3fac5b930b411302bd0ce5b6061f6c2ff396f73267577a0138f53370ae0
Manifest3a9cadc04cac5631b95aa3c2fd01a19933bfee78bf46721a14ef7c6132f913a7

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
SignatureBrcsrg0IEcchkwbTc3PP4+g8wzdh1q59cWUdXkYU/Tz5FMDugI0uqt8Wde4UZkxKfekLa6v/vKXG4PM9NNoSAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:09.112850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042717
observed 1bc0e3fac5b930b411302bd0ce5b6061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:09.064484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042717/manifest.json
observed 3a9cadc04cac5631b95aa3c2fd01a199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:09.039998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042717/publication.md
observed 3ce1afa943033f282162134c46c7cc92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:08.986203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042717/publication.txt
observed 588c56328c589a10dd9368714572b76a...
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.