OpenTechnical

OT-2026-000026791

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000026791) never changes.

Identity and time

Publication numberOT-2026-000026791 · never reused
Internal UUID01a0ae72-3451-7d86-942b-40da327b3cac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026791
StatusPUBLIC

Content hashes

Canonical texte5c3a620b7fc8b9a617d60aeb57c6f527e71cf48fe07a3f5aac40594fc0bfeab
Markdown16e671a4680b8606061a5086c62cc0a6982177efc556f9256259c50bd3c70e36
PDF
Publication page90f79f92bb102980f467035cff5ba2edc9f9d7ff9c440498b3f686a131c21298
Manifest46a6320af1ed5becee18db3ab77534c0e83088a817a7f4dd2e230ff49e51a813

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
SignaturesXdVvxiqoE0ut6uoV1pP41NDjapa+IoBki0eqi+JXlJyQajO0+Nu0kLoFW4SU8kSk3FyMLtr5RQM5xfzh3GZAA==
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

2026-09-17T11:43:21.983007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026791
observed 90f79f92bb102980f467035cff5ba2ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.966258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026791/manifest.json
observed 46a6320af1ed5becee18db3ab77534c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.948582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026791/publication.md
observed 16e671a4680b8606061a5086c62cc0a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.930964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026791/publication.txt
observed e5c3a620b7fc8b9a617d60aeb57c6f52...
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.