OpenTechnical

OT-2026-000095884

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000095884) never changes.

Identity and time

Publication numberOT-2026-000095884 · never reused
Internal UUID01a0ae9f-fac7-7472-baf9-629dd090a454 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095884
StatusPUBLIC

Content hashes

Canonical text34ade7f63796aed446d23d2798e910d5910fd81fe0da3e850a9993bfac0363b7
Markdown5dd90c59e0f6c9917111d3e1a9c70d7c511e51c1d8aac50c27e193e0d6f0b75c
PDF
Publication page507b5d1e76c018eaf4ee23ccf898cba7f737605d436cafeb98745d9bf8d7e740
Manifesta18c018aef392bf13040391d9045ece82807a419bdcb88fcb704a85a317abd55

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
Signature3RlTvTHeb1NFZgx0dJsOwgtIBrWqLHVpj/H9bX4sFtYkmEcvvOckHlB7tB6SQtP1E2Q+zH7z+idptOblPDs2Dg==
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

2026-09-17T09:35:58.512088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095884
observed 507b5d1e76c018eaf4ee23ccf898cba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.494356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095884/manifest.json
observed a18c018aef392bf13040391d9045ece8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.474072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095884/publication.md
observed 5dd90c59e0f6c9917111d3e1a9c70d7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.455642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095884/publication.txt
observed 34ade7f63796aed446d23d2798e910d5...
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.