OpenTechnical

OT-2026-000037653

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000037653) never changes.

Identity and time

Publication numberOT-2026-000037653 · never reused
Internal UUID01a0ae77-b8cf-75cc-a8ce-3e2ab8f462a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037653
StatusPUBLIC

Content hashes

Canonical text9e9cb70c1ef0b3e620632618c2cb39edde36e8d7bebd24f170eacb28427e9054
Markdownbc81e3be73d690233814a79b16d2ea509e1f7a4b0db0410c6e2f4042b898c863
PDF
Publication page5e0a78cfecfec69bf13ce02a59de747aafd06078dd75aeb1a1f261d2160f77ca
Manifest5d0c9b47b259b5627ec97b094f4b757850682d4e824e85d8b5dcbc45378f65e4

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
SignatureUbZBJM5Gpgm5vZfuaRbCYiR8LMQ0BMOBuy61Ij6VqINzUqyVsOhSAMBib1hNrTnxnIIEDWBnJxaXikhCcIuXAA==
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

2026-09-17T11:24:13.533591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037653
observed 5e0a78cfecfec69bf13ce02a59de747a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.515375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037653/manifest.json
observed 5d0c9b47b259b5627ec97b094f4b7578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.497960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037653/publication.md
observed bc81e3be73d690233814a79b16d2ea50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.480769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037653/publication.txt
observed 9e9cb70c1ef0b3e620632618c2cb39ed...
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.