OpenTechnical

OT-2026-000027906

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000027906) never changes.

Identity and time

Publication numberOT-2026-000027906 · never reused
Internal UUID01a0ae72-a4a5-7145-b077-df23642b56ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027906
StatusPUBLIC

Content hashes

Canonical text8bc4867d03f9bfa5c2b06607b572f98683c1b69b534327efa17c97b77560e15b
Markdowne8e65afffd6154082669e1fa8d98613422978a254776b5c5af4f26eebef8daa7
PDF
Publication pagee82ab7ac9053536e98ee6d86e64128c2718e24d0c8d17c21ee7428df2cfffcca
Manifest3fd51e2f19f6a6afb4342186609977f5d6fdd304e61faa987c832add5d6a92cc

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
SignatureCqnwaACouAkdPoq4XZWo/F3+49V143Fkg1G2+yvgu0BdEmKpzh/vqilXDy7vUZRZplGyOXsYGJpZ3EDn+PgqBw==
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

2026-09-17T11:42:04.504919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027906
observed e82ab7ac9053536e98ee6d86e64128c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:04.486598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027906/manifest.json
observed 3fd51e2f19f6a6afb4342186609977f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:04.469397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027906/publication.md
observed e8e65afffd6154082669e1fa8d986134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:04.450806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027906/publication.txt
observed 8bc4867d03f9bfa5c2b06607b572f986...
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.