OpenTechnical

OT-2026-000032677

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000032677) never changes.

Identity and time

Publication numberOT-2026-000032677 · never reused
Internal UUID01a0ae75-1070-7301-9e47-dbc0b4dfe274 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032677
StatusPUBLIC

Content hashes

Canonical text0319236a1810bd0decdc30ecbfa62e76dcb0ecaa41e7d33994182a6b411a83eb
Markdowne1c026cabe7bb6cb3333c48a7b22783b2b92e684d5852cde213b25f457760b3d
PDF
Publication page42fbb358848a0fce9227dc35f5446d04eef551c5084536cdafbd3f569baa5c75
Manifest965dab57f891dc64f7579ee45c397b416559fb5ee1a83ccecb017943beb0a7e0

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
SignaturepwKFvi9wxWWJKqqLYlk7jyozTjYgAxPEXtkQ5J5T0r4f+tvDJhq0+2TKPvh1Hr6wHS09mJORlhvOwb504gVrBQ==
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

2026-09-17T11:34:16.775335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032677
observed 42fbb358848a0fce9227dc35f5446d04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:16.757874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032677/manifest.json
observed 965dab57f891dc64f7579ee45c397b41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:16.740561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032677/publication.md
observed e1c026cabe7bb6cb3333c48a7b22783b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:16.724201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032677/publication.txt
observed 0319236a1810bd0decdc30ecbfa62e76...
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.