OpenTechnical

OT-2026-000042270

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000042270) never changes.

Identity and time

Publication numberOT-2026-000042270 · never reused
Internal UUID01a0ae7a-5d73-7111-bada-8cb4a8526be5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042270
StatusPUBLIC

Content hashes

Canonical text482c9dc7885d8c1947595fac3ad76b30ce816b8ee7b9201d3f912bc97f2e4421
Markdown687883870b674f2f63d37e7c7641cc0930d8a1ddff1b5bd583af6783822030c9
PDF
Publication page263b5011e5f3ecfc4ef35969cb96141b9d013406c9520379c626ae1aabe67cdf
Manifest12c4ccfd88634c15ab91de44ff8f2222b1a7bf282137b03b502b583f58fe286f

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
SignatureciaUc6S13l2Weq5udZHPjGElGu68VexG8l/z78jaWnLcdnLiWsnaNcQXvo+Pte2k+/F0umyxmtht4/8jqXJEBg==
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

2026-09-17T11:15:57.533459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042270
observed 263b5011e5f3ecfc4ef35969cb96141b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:57.512767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042270/manifest.json
observed 12c4ccfd88634c15ab91de44ff8f2222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:57.494144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042270/publication.md
observed 687883870b674f2f63d37e7c7641cc09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:57.473898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042270/publication.txt
observed 482c9dc7885d8c1947595fac3ad76b30...
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.