OpenTechnical

OT-2026-000050917

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented 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-2026-000050917) never changes.

Identity and time

Publication numberOT-2026-000050917 · never reused
Internal UUID01a0ae82-c7b3-7802-b112-386ccedea141 · 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-2026-000050917
StatusPUBLIC

Content hashes

Canonical text09598c71d64ad263ca382d5fd199b43668ccee8546335392e4104dffd1460c2f
Markdown94ffa6008f0a909034a8965b0a18a1924326ccd480acbbfcd8a8b60b6cbcb7b6
PDF
Publication pagec4ab75e0befbcb47038e3b20856232198cc372e7868e2b1c2ef4c39cddee9e83
Manifest9ce9326ce8d8db7cf92cd2d3db2cd20452023a186e95f1cbe17b8b9213c690ea

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
SignatureHx47prE7c+swL2yN6NGy8AtFznOXLexj8AYzM50NomrdGcRYhUziM2cqud8rx6MvYaHB7k/ZdZG2qPUsYxnbBQ==
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

2026-09-17T11:00:40.415708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050917
observed c4ab75e0befbcb47038e3b2085623219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.392825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050917
observed c4ab75e0befbcb47038e3b2085623219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.391947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050917/manifest.json
observed 9ce9326ce8d8db7cf92cd2d3db2cd204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.368840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050917/manifest.json
observed 9ce9326ce8d8db7cf92cd2d3db2cd204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.366827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050917/publication.md
observed 94ffa6008f0a909034a8965b0a18a192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.346114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050917/publication.md
observed 94ffa6008f0a909034a8965b0a18a192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.340520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050917/publication.txt
observed 09598c71d64ad263ca382d5fd199b436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.315425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050917/publication.txt
observed 09598c71d64ad263ca382d5fd199b436...
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.