OpenTechnical

OT-2026-000041302

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, sustained blow-off after set-down, on a tool changer

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-2026-000041302) never changes.

Identity and time

Publication numberOT-2026-000041302 · never reused
Internal UUID01a0ae79-b144-7b47-86a6-84013ea6c41c · 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-2026-000041302
StatusPUBLIC

Content hashes

Canonical textbcb17df17647de2f6157b9563db0f76ce1cfbe322444adb31183c8227ef695e5
Markdown6fe2db82fcfe0575947758557a2b0ea6aeea0b10ff8e4676140911d0dae5b587
PDF
Publication page393f54289740d35f381d5b0bb4fd082ed712e742e1a6c11ef916f5420ad3c8ed
Manifest5d4acc8c4aa378756b8ebda9cc6f5f7e09d56082f86188106214468a0998ca88

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
SignatureJgh1kNI155+KNW1wgdqYtAo5ta44OES0TJbK5Lktytl1mYgu6arRm0IREm0JuudmH3kT3Z/4bJfwJwGuKmvxBA==
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

2026-09-17T11:17:17.120340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041302
observed 393f54289740d35f381d5b0bb4fd082e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:17.101616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041302/manifest.json
observed 5d4acc8c4aa378756b8ebda9cc6f5f7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:17.083674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041302/publication.md
observed 6fe2db82fcfe0575947758557a2b0ea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:17.065157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041302/publication.txt
observed bcb17df17647de2f6157b9563db0f76c...
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.