OpenTechnical

OT-2026-000069654

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000069654) never changes.

Identity and time

Publication numberOT-2026-000069654 · never reused
Internal UUID01a0ae90-b52c-75eb-8005-40c3f65f72e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069654
StatusPUBLIC

Content hashes

Canonical text705e920f522d96221f4110dfa8af1c4e0c2534e9222d5ad9a819a2d3c09e5a06
Markdown9b9e8b6bc2feeed7773feac5835e801d4c92423a17cce5dac15cfed2f27549c8
PDF
Publication page92472612f037eb915ee261bbfe6541c57dfe498e2d96a7d38d29d457b4d25ff0
Manifest860a5bc239374191ea504abd40c77ef78250759ad127da0d6ac6290216402a12

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
Signatureyo4KqZRsCovw+IOfCps/8Z+y2xuNaiyUZ9yTozVHM/zg6yrLtFJ5w6B1SwjseKEbx61G2xyBEvgr0H04RIIIDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:19.274783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069654
observed 92472612f037eb915ee261bbfe6541c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.256744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069654/manifest.json
observed 860a5bc239374191ea504abd40c77ef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.238400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069654/publication.md
observed 9b9e8b6bc2feeed7773feac5835e801d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.220997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069654/publication.txt
observed 705e920f522d96221f4110dfa8af1c4e...
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.