OpenTechnical

OT-2026-000016045

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000016045) never changes.

Identity and time

Publication numberOT-2026-000016045 · never reused
Internal UUID01a0ae6e-0c4e-70ec-932f-4b9832385dec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016045
StatusPUBLIC

Content hashes

Canonical text018edbb10cd27c9ec6cbef086fffc2f1193d58309e7eceab39904a430f1dd8dc
Markdownd10238cc96e1487f321c0b2c1ddd2df48ca5612e1761bb760c6ef5daab2a152e
PDF
Publication pageaa28ddae4bc8b529001d472f89d6d1a91f07da80ed1f3c94e053e0de69b4f663
Manifest57a00669c4402d2aa0a232a6e543e2789307efd7ba5110d8c85948546bde0e8a

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
SignaturexYiUdaeaeFUswvoSZZ4yvDAc6L9AzWm2GXcXO2vo4at6fzwY9fwoiBKyRmF7Y+pkWH1Xz6/h4xfKihh0FKUJCA==
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

2026-09-17T12:05:35.987814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016045
observed aa28ddae4bc8b529001d472f89d6d1a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:35.969294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016045/manifest.json
observed 57a00669c4402d2aa0a232a6e543e278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:35.948788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016045/publication.md
observed d10238cc96e1487f321c0b2c1ddd2df4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:35.927961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016045/publication.txt
observed 018edbb10cd27c9ec6cbef086fffc2f1...
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.