OpenTechnical

OT-2026-000041342

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum 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-2026-000041342) never changes.

Identity and time

Publication numberOT-2026-000041342 · never reused
Internal UUID01a0ae79-b144-7be8-ad63-fcfcfea855eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041342
StatusPUBLIC

Content hashes

Canonical textcea15b343b43ac9c035fdafde8fe53abc83caaf5cc341a67e0ec6724698f74f9
Markdowncc847adf07c092765628890bbfd0289228d8d25f835d173c575d62a6c8ff9be9
PDF
Publication paged1981d4a15c8fd3cdb153f78ae209cf4c32173096a671a75510dcc738885c2ed
Manifestf3f5ac4b18aa4155a132076eefa3070f0d487e61351cfdc887817b4cf41ecbf0

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
Signature+aho4/wHjf9h0pEo6p0t1FCjRNiu2VIxmAol6U2FyTAth/6SxIuGqMi/lWxhbt5e0m47paGuaAahBxI8NmBGDg==
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

2026-09-17T11:17:20.422906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041342
observed d1981d4a15c8fd3cdb153f78ae209cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:20.405075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041342/manifest.json
observed f3f5ac4b18aa4155a132076eefa3070f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:20.388322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041342/publication.md
observed cc847adf07c092765628890bbfd02892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:20.371642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041342/publication.txt
observed cea15b343b43ac9c035fdafde8fe53ab...
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.