OpenTechnical

OT-2026-000041776

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum 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-2026-000041776) never changes.

Identity and time

Publication numberOT-2026-000041776 · never reused
Internal UUID01a0ae79-e8a2-7ea1-84b6-64a9fbc4e577 · 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-2026-000041776
StatusPUBLIC

Content hashes

Canonical textd9416c296b1a72ac9de6aeb50003008c296c5937fad429779e15c3bd26ae9b16
Markdown94360e9ffdb79c184e594c8dac2bb2996e28ed297ccb7928f2fc14d7649ab0b5
PDF
Publication page2b3a3faecd070803e14bb0d2ed5e48ea26abcc857603bbcd2def0f4523887291
Manifestf3ec0b60ac9c7c5bd5bafc8c6e981a661ec83b06a26ccb5ea0c295f380e457dc

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
SignaturehsjpuoJuNnkH1fp/x9mqd6tIs4CKNKZ12Uj+YaOXjfRWxiNKtf/sl2c5xbnQyRfOWXsSlCoQ1IsrmTXdXI9cCw==
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

2026-09-17T11:16:37.609640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041776
observed 2b3a3faecd070803e14bb0d2ed5e48ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:37.591908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041776/manifest.json
observed f3ec0b60ac9c7c5bd5bafc8c6e981a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:37.575570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041776/publication.md
observed 94360e9ffdb79c184e594c8dac2bb299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:37.558395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041776/publication.txt
observed d9416c296b1a72ac9de6aeb50003008c...
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.