OpenTechnical

OT-2026-000025631

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000025631) never changes.

Identity and time

Publication numberOT-2026-000025631 · never reused
Internal UUID01a0ae71-9bc9-7d03-ad28-917bb865c527 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025631
StatusPUBLIC

Content hashes

Canonical textead82bea66126c8da6fa1154a731f26ebd518b85b665ea1e082af361beea20f8
Markdown8ad2eb0a055c6e2820012ff09fa5a6d50cb5ff09a0c1a59ddf1bfb8c9076ce7c
PDF
Publication page91b35032b4e89f77b0b69e291529c3d7fd9a79ccc41818405bc50f4c547a5299
Manifest70732f5baf778ddcc48d82a2ec80f417ac2204274fe016adf4d388116ac73aab

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
SignatureyXi9Rjkb+06xABDPi/TCftncrh1sylldkWIldDRg9zpE4Yin1X9M3MxuXEtj6Q/RpP24azqeJfGDGmEFJyZqBg==
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

2026-09-17T11:46:49.565927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025631
observed 91b35032b4e89f77b0b69e291529c3d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:49.548034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025631/manifest.json
observed 70732f5baf778ddcc48d82a2ec80f417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:49.530979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025631/publication.md
observed 8ad2eb0a055c6e2820012ff09fa5a6d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:49.512718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025631/publication.txt
observed ead82bea66126c8da6fa1154a731f26e...
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.