OpenTechnical

OT-2026-000041217

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000041217) never changes.

Identity and time

Publication numberOT-2026-000041217 · never reused
Internal UUID01a0ae79-b143-7445-be52-fc0bbd98c0fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041217
StatusPUBLIC

Content hashes

Canonical textab090456f297818368a7db3091328a048549f0b3250d6fd3b9858fcc5b525da6
Markdown6828a6ddc24f673d8f5e489d6709ba89759934d2032d049b4f1c115e47ae8544
PDF
Publication page11d92c82a7d0114ce0dfce5d59a50998d2fe66c8a7e02119f45f3a524ae2b13d
Manifestb499de327e42f0cf9454a0d984d4e2eae83424298925e6d764716bd61e356c28

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
SignatureO2FNMO3HAA4uhMG/NqYYuyU489dkIYKHD1uPHoxSYHcMpY7uM8Y2+LaXaOTcLUz7HkJMwYeC4KEAy8bvdqQeCA==
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

2026-09-17T11:17:10.715689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041217
observed 11d92c82a7d0114ce0dfce5d59a50998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.698885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041217/manifest.json
observed b499de327e42f0cf9454a0d984d4e2ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.683043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041217/publication.md
observed 6828a6ddc24f673d8f5e489d6709ba89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.666715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041217/publication.txt
observed ab090456f297818368a7db3091328a04...
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.