OpenTechnical

OT-2026-000017960

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000017960) never changes.

Identity and time

Publication numberOT-2026-000017960 · never reused
Internal UUID01a0ae6e-96fc-7f73-8f06-e442d18d193c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017960
StatusPUBLIC

Content hashes

Canonical text1d3c21998579d20e904506fe5a3cc4d71ae62e007f48bfb7c394efdedab4a604
Markdowne6bd18ccfe0d9e6053647117fac1d7fde17992cfcc85efa17f8a6041a3b7d2e0
PDF
Publication page5d9d1297c01620a9eff8a85d11d1f8682ed3ae218d14dbc2c00a517565bbc34a
Manifest6c01060cf8d6cda87153628864eec70066448487cd8268390689ccc2ce8fcf84

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
SignatureuT+Zjq/CvMEuNVVq25qGQPaM36DNW08ns0UCmss8BiXvQsG08eFADGQh7Sw0xqKfMhlbc3zjVqP6mFOJqoSvAQ==
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

2026-09-17T12:01:58.286888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017960
observed 5d9d1297c01620a9eff8a85d11d1f868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:57.764082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017960/manifest.json
observed 6c01060cf8d6cda87153628864eec700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:57.746099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017960/publication.md
observed e6bd18ccfe0d9e6053647117fac1d7fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:57.727002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017960/publication.txt
observed 1d3c21998579d20e904506fe5a3cc4d7...
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.