OpenTechnical

OT-2026-000017620

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000017620) never changes.

Identity and time

Publication numberOT-2026-000017620 · never reused
Internal UUID01a0ae6e-96f9-7cc2-98f7-a908bd8c2d08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017620
StatusPUBLIC

Content hashes

Canonical text123070217756e6b9a49288f3d3a748d324ee879aacf8bacc634b7e2be5de5110
Markdown32162cff52d176c87e4f1389c605e45dc2061b98b4ecc3011a1795f12b9ea0af
PDF
Publication page8ec4fe5054069104e7bd1528c41483b42c58fb04c544bfff519f461561058903
Manifesta09fb47f9c267dc7522c97532f9c67abfcd8e09a46c43092ed8791c5000a6e30

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
Signaturel4KBtwLoALFsQpGqb+1MBO6narazFGLf01TskuHhTkTkQA/eWmqeQkm6N/Hg6keMqmwfmbpP2iZP/AQUX5ZODQ==
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

2026-09-17T12:01:25.791714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017620
observed 8ec4fe5054069104e7bd1528c41483b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:25.774936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017620/manifest.json
observed a09fb47f9c267dc7522c97532f9c67ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:25.757773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017620/publication.md
observed 32162cff52d176c87e4f1389c605e45d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:25.740643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017620/publication.txt
observed 123070217756e6b9a49288f3d3a748d3...
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.