OpenTechnical

OT-2026-000041974

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000041974) never changes.

Identity and time

Publication numberOT-2026-000041974 · never reused
Internal UUID01a0ae79-e8a7-7060-8440-907de9833fc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041974
StatusPUBLIC

Content hashes

Canonical text91e406edbbf82689db0cc54ae484b79d5dc6774da8a00b91a275279459fefe9b
Markdown374ad0af43592b38daa7819c33640769b831dc2b0c7724c3ad2f6c5e5bea607e
PDF
Publication page0e773e6e8a3008b967149cbaabe27123adb6630fdbfeddc53d7fd2056da87795
Manifest9c3f17b63adbbd02960e93c6a792c6dc3318113657eafe08a86b23632aefacbe

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
SignatureUiGRUzOPxjBFW1WESc9Nyn7byjhM7Lxz3LPPIxW2/xcu/N6CR4Lah+xp2QGGK/BZyDixKWW+8LyypXSA2BZoBA==
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

2026-09-17T11:16:52.082321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041974
observed 0e773e6e8a3008b967149cbaabe27123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.066701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041974/manifest.json
observed 9c3f17b63adbbd02960e93c6a792c6dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.048923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041974/publication.md
observed 374ad0af43592b38daa7819c33640769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.031143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041974/publication.txt
observed 91e406edbbf82689db0cc54ae484b79d...
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.