OpenTechnical

OT-2026-000050855

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000050855) never changes.

Identity and time

Publication numberOT-2026-000050855 · never reused
Internal UUID01a0ae82-c7b2-7b6f-91ee-5ca35c242698 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050855
StatusPUBLIC

Content hashes

Canonical text87dd70b06245b3af3a1e8432f12a0f417af0585735ac63ba571ff7dd03a96d0e
Markdown1943088bd73432a34dbae3a0f303aa1071e61afef5cba33fe486060575956b42
PDF
Publication page35293823d5e78d4a248a087938561a93de2f67c4833e393d44eda2d5c3fe3738
Manifest6e29316767d93e76fb70ddeb858cf2b62944de3067e5ae8d8e926c0db07e01e3

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
SignatureWpQIJ//qsLPPIhNOdd2xRJF8hTeH6i5VaXqj5jpsXivx6vDjPMtEJ/q9H3CZ2exWfsdseupto18/qaKkFg1xCA==
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

2026-09-17T11:00:25.792250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050855
observed 35293823d5e78d4a248a087938561a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.791168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050855
observed 35293823d5e78d4a248a087938561a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.763365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050855/manifest.json
observed 6e29316767d93e76fb70ddeb858cf2b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.762857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050855/manifest.json
observed 6e29316767d93e76fb70ddeb858cf2b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.734351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050855/publication.md
observed 1943088bd73432a34dbae3a0f303aa10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.731066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050855/publication.md
observed 1943088bd73432a34dbae3a0f303aa10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.711534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050855/publication.txt
observed 87dd70b06245b3af3a1e8432f12a0f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.708146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050855/publication.txt
observed 87dd70b06245b3af3a1e8432f12a0f41...
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.