OpenTechnical

OT-2026-000100489

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000100489) never changes.

Identity and time

Publication numberOT-2026-000100489 · never reused
Internal UUID01a0aea3-66f0-7013-8944-a31d550eb4a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100489
StatusPUBLIC

Content hashes

Canonical texte82272d69ccd52814504b08ab974913a4ec46983ec67ffaa18a725879ae13b97
Markdown0a3c83089e9ceb49bb61eb5a2fa3157bd4dd7fd35af7c84cbdac52f2fc159f8f
PDF
Publication pagef0cd536bcee261c6a8ab0130bfaa6c489a4b256d5d9148fc2ff5a98e20e60b2b
Manifesta0b86a91afc37e3a44bf339ebaddfb12fe6ff729fcf00d8896c122f1af82dbb0

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
SignatureQrumyqfhfT/TOx9RqpdLYBPtU56wCcustLc/mNmD3Fo1PSGMQze/h15XV+lfBJvxm3Z0Ne7JwOvrfkRcv77ZCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:14.903378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100489
observed f0cd536bcee261c6a8ab0130bfaa6c48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:14.887142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100489/manifest.json
observed a0b86a91afc37e3a44bf339ebaddfb12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:14.869504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100489/publication.md
observed 0a3c83089e9ceb49bb61eb5a2fa3157b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:14.852877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100489/publication.txt
observed e82272d69ccd52814504b08ab974913a...
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.