OpenTechnical

OT-2026-000026794

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000026794) never changes.

Identity and time

Publication numberOT-2026-000026794 · never reused
Internal UUID01a0ae72-3451-7835-aa69-56dcc4331f85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026794
StatusPUBLIC

Content hashes

Canonical textb74b87ee51b2f18a23de324fafc7cdcef80344343d410d33e9847c105447c4ae
Markdown2cb97a2ef411b7bbdc2c0c99f692d4b666880722b44cea1ac8034f5eeef58a93
PDF
Publication page18265d8a965eebc28ce6edbcaca786b13c4cbdb80e8ef389a91e4abefddddc6b
Manifestccc246b6507ba7a9eca9d2ea793772333566b1ba25eef0fd38189c7ea4b45353

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
Signaturewys2n7uiI08FC1x+W8qmoV+KB4GEC/c7ulJ99MtA9sa2MGZW+I6japAXEhpV/Ki4lw1goyXEC3erX/QgM3ZzBQ==
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

2026-09-17T11:43:22.199157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026794
observed 18265d8a965eebc28ce6edbcaca786b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:22.181465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026794/manifest.json
observed ccc246b6507ba7a9eca9d2ea79377233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:22.162438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026794/publication.md
observed 2cb97a2ef411b7bbdc2c0c99f692d4b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:22.143505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026794/publication.txt
observed b74b87ee51b2f18a23de324fafc7cdce...
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.