OpenTechnical

OT-2026-000029845

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000029845) never changes.

Identity and time

Publication numberOT-2026-000029845 · never reused
Internal UUID01a0ae73-ac47-70fa-97f8-2e5580363e46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029845
StatusPUBLIC

Content hashes

Canonical texta6b2008d72ec7766adbba063916d2a8f4a9cd6676c11d56dc138ac9e30b90755
Markdown01ced0d97a3eb2de3b09382d5e61978fd99d41301e3c1bb5a2a0522e65aff65e
PDF
Publication pageb2f8b06cd64bc268e87ed3df5fd76193dde5cd15fb4037639a08f799c90d427a
Manifestdd4ef548e819a27c989e1edc83f74297eb9ec284e8d465ae9353e608783183b1

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
SignatureJsne+FlCjbk7LTyGYzR2RAf3iSwthjAYEol6FRMIAIBfF+DlmkO8JMz/oySKFSHXJJitiYym4L2NlO+/w2XqCA==
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

2026-09-17T11:38:32.325517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029845
observed b2f8b06cd64bc268e87ed3df5fd76193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.307780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029845/manifest.json
observed dd4ef548e819a27c989e1edc83f74297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.289288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029845/publication.md
observed 01ced0d97a3eb2de3b09382d5e61978f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.271310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029845/publication.txt
observed a6b2008d72ec7766adbba063916d2a8f...
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.