OpenTechnical

OT-2026-000029725

Publication integrity record

Four cup vacuum gripper, four 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-2026-000029725) never changes.

Identity and time

Publication numberOT-2026-000029725 · never reused
Internal UUID01a0ae73-5e23-76c1-b222-ecc6054eabfa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029725
StatusPUBLIC

Content hashes

Canonical text5f9d6e7fc12e61fdae0935e42e8760f9c49aa59b9a3e882efc4cee16aaa02b73
Markdown77eb2cc0757498468c266801fe1c5a6b8859f1bf3e3d327c327117b32d740dd1
PDF
Publication pagef3b9ec3a2345c7354cf1dd6da0076a02511586a7c9c0b03b92cfaf8e346ae58c
Manifestb833e736e80584828b563ee96cacb1d500cc2f155d77f9ed1c2cb9ed98a536db

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
Signaturegl+Nq3I1Xksi9wEX5rxjKwEskX4+mm266CCl59F5EzmOaMO28y+sngRWI85AKKxSbkiCzN+oD6CuSeCRGUU5DA==
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

2026-09-17T11:39:27.429141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029725
observed f3b9ec3a2345c7354cf1dd6da0076a02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:27.411177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029725/manifest.json
observed b833e736e80584828b563ee96cacb1d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:27.390554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029725/publication.md
observed 77eb2cc0757498468c266801fe1c5a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:27.368760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029725/publication.txt
observed 5f9d6e7fc12e61fdae0935e42e8760f9...
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.