OpenTechnical

OT-2026-000045469

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000045469) never changes.

Identity and time

Publication numberOT-2026-000045469 · never reused
Internal UUID01a0ae7c-f76d-7073-a1ee-971481a3f4e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045469
StatusPUBLIC

Content hashes

Canonical textf0654a525b6e595b00ed237426dc9ea3919e97604b60479447a3ebc3eae4f04d
Markdown0b97fac796df022a153d27050def2a825bbdc088ae316ed09a41a31a3db2ab22
PDF
Publication pagea711e7fd57e4f088516cd02bf1383f149b6e7d002baf82b48795c6db75829e2b
Manifestef4d18337a7a50ad2df1c55d17a762a5ec76fc5274be53fe48f72078c5e53165

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
Signatureit3kWHivdUOoUke9Q5Wm/0yghvSDaA9f8Csj1qVhdV+0llw56Qw4hgDCzvkaAqBRZRX7zUTSRlPMzeWiMWYCAA==
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

2026-09-17T11:10:46.846300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045469
observed a711e7fd57e4f088516cd02bf1383f14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:46.826997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045469/manifest.json
observed ef4d18337a7a50ad2df1c55d17a762a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:46.808579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045469/publication.md
observed 0b97fac796df022a153d27050def2a82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:46.787385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045469/publication.txt
observed f0654a525b6e595b00ed237426dc9ea3...
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.