OpenTechnical

OT-2026-000034365

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000034365) never changes.

Identity and time

Publication numberOT-2026-000034365 · never reused
Internal UUID01a0ae75-df0e-7e0f-b04a-ebec63d2e18d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034365
StatusPUBLIC

Content hashes

Canonical textfc09678b4754e9caa14aad0b5bc9fae5440e64ab088a0ea8d1fe4b7f386246dc
Markdown910043310739da1fb19b133f4eb15ef1c86faa771f69d921fe9561e5995ca3ba
PDF
Publication pagea47eb4eecea68c68042951a7f392e165ce06955b5864c68b3e7f519fa49acdc8
Manifestb425431f2289c0119c550bd1254aa10fdf561416d9dec35027908e43693f07e6

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
Signatured4l4qZgCUA7IjNDx4o664nEvnR+wRGRCAT1C4RoigXU5E/iQru3SFWqqP4OqrSQOycRaUDFF/yGcQputU4XFDA==
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

2026-09-17T11:31:04.265328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034365
observed a47eb4eecea68c68042951a7f392e165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:04.247107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034365/manifest.json
observed b425431f2289c0119c550bd1254aa10f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:04.229559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034365/publication.md
observed 910043310739da1fb19b133f4eb15ef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:04.212439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034365/publication.txt
observed fc09678b4754e9caa14aad0b5bc9fae5...
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.