OpenTechnical

OT-2026-000041816

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, pulsed 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-2026-000041816) never changes.

Identity and time

Publication numberOT-2026-000041816 · never reused
Internal UUID01a0ae79-e8a4-71a0-a47e-f9c404b30db7 · 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-2026-000041816
StatusPUBLIC

Content hashes

Canonical text2f37037069dd79a9a5da45ac38aa831732ff9411591f89e4b75fc8ec6f043a4e
Markdownf10679f480276346bd831690faff0461964de248a0d2cc35fda4ab2aeee2d9c8
PDF
Publication page8b51677bd5ffcd404ccfccbb80a806ceaf3e93cd1d9df636470dfba76b0db1c4
Manifestfbdcc2a3ab103e92d6c03a69cca0fc618982c5deacd82de194566e2929c6ed46

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
Signaturez6Z2rAINd5rLEoDWlhn+pEo/HTrepWO8WFdC9PIhatKzQf9xfvMZ0idh83ytqNuFkiT8vOMFHqnhm9V1NDRFCA==
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

2026-09-17T11:16:40.655549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041816
observed 8b51677bd5ffcd404ccfccbb80a806ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:40.637093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041816/manifest.json
observed fbdcc2a3ab103e92d6c03a69cca0fc61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:40.620130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041816/publication.md
observed f10679f480276346bd831690faff0461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:40.602776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041816/publication.txt
observed 2f37037069dd79a9a5da45ac38aa8317...
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.