OpenTechnical

OT-2026-000095129

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000095129) never changes.

Identity and time

Publication numberOT-2026-000095129 · never reused
Internal UUID01a0ae9f-8f6e-7283-9aed-46645ad6dafe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095129
StatusPUBLIC

Content hashes

Canonical text8a49ae70d736364f4dbd3534e9c3e148e021baf6745a21c702afdf4502f94698
Markdown6bf324acb94525d88fbf5ad20887613aa6fc10f1192bf71bab38868791a4652e
PDF
Publication pagee3d6ed71a896c90c003d3d578091232fdf16c14535d491cc365c4675be05af15
Manifestf07f7961d3fb496f8257dc249d58ec79e0d44103ba531b45529ab0f14c7874e5

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
SignatureHk8gJlD7jmDyoBesAypGJKy6aaq0KAtDro/jp8bI75bar5LBDFevCKOO5J+spvyaGVgx+YNBg8ydn59LfIPbDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:25.424504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095129
observed e3d6ed71a896c90c003d3d578091232f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.407603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095129/manifest.json
observed f07f7961d3fb496f8257dc249d58ec79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.389575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095129/publication.md
observed 6bf324acb94525d88fbf5ad20887613a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.370840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095129/publication.txt
observed 8a49ae70d736364f4dbd3534e9c3e148...
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.