OpenTechnical

OT-2026-000034476

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000034476) never changes.

Identity and time

Publication numberOT-2026-000034476 · never reused
Internal UUID01a0ae76-1ed0-75af-b0dd-1bc21a93fe7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034476
StatusPUBLIC

Content hashes

Canonical texte281f4944584e624f0fc5adf30421f0970710801a9024ba9ded9eafc0088df43
Markdown628c1de24d59931b36319846889674ac96d887dfd1d9c62f73497ab047ff4ff5
PDF
Publication page9a911878e6aa175d64651ba501cb03f5197d8f15c9da4577ff3a4ddf2e8101d7
Manifest18bf3eae6a760405e7a155a7cd2863e5bdc0e9302bd421e5dce10c7677888317

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
SignatureMqUnFKAR1q+Pzk0lVpjPAGYFJKTvqIW/N8YSSJTHfkdCUPn1IsAU09V/r4tkvJ8UZf8D3+qUyXxTqqrsd6+7DA==
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

2026-09-17T11:28:48.344818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034476
observed 9a911878e6aa175d64651ba501cb03f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:48.328653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034476/manifest.json
observed 18bf3eae6a760405e7a155a7cd2863e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:48.312623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034476/publication.md
observed 628c1de24d59931b36319846889674ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:48.296544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034476/publication.txt
observed e281f4944584e624f0fc5adf30421f09...
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.