OpenTechnical

OT-2026-000047808

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000047808) never changes.

Identity and time

Publication numberOT-2026-000047808 · never reused
Internal UUID01a0ae7f-c420-7a84-8090-b4a09b49fdd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047808
StatusPUBLIC

Content hashes

Canonical textf2fcd4ed51350e6aed3a9d3efdc72d36cc76a2cbbb0d5d712c4ede3512af369c
Markdown14203e3c068e54300dd875c90acbcb9e838e95efd96a5c62cbfed191e50b22a5
PDF
Publication page9170c9573df4c69b77c9895c2f2102c83610fb62d1558c40b622ab519430cf6e
Manifest1706e7683699bc7097159ad541a42e68c5f11135ae082676044a2bf443459df7

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
SignatureVysZiwa//9GM3S3qsfU3mK13xbiap5kVuCRioycABVQVke814GRTpq/G4ZaDngs/nUkf++HcMn0pRQKvyNPOAw==
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

2026-09-17T11:05:42.745307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047808
observed 9170c9573df4c69b77c9895c2f2102c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.725934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047808/manifest.json
observed 1706e7683699bc7097159ad541a42e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.708887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047808/publication.md
observed 14203e3c068e54300dd875c90acbcb9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.689334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047808/publication.txt
observed f2fcd4ed51350e6aed3a9d3efdc72d36...
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.