OpenTechnical

OT-2026-000037163

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000037163) never changes.

Identity and time

Publication numberOT-2026-000037163 · never reused
Internal UUID01a0ae77-7741-7ac6-a42f-ab31d5decc11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037163
StatusPUBLIC

Content hashes

Canonical text68d354567127607bb50b083fcc603be014fe1cc4f203666cb0803c787101da11
Markdown79d6a8365f082e604f5d84398dc1e98b50f3c46f1d96ac38046c9c2c2ea79440
PDF
Publication page6eb2ab4046c89c5d22e80391b297f5969e0393ba3e5895e21001917a0e6455e8
Manifestd3e868d4abf9b5702a3045254cd769c08fd5a2d67bd4235b497e448ce17e3d91

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
SignaturexW4FO+lDAxarSLNTVCuD8A0zfnoFNPXe7lXecKN5JtdrH3zNOka4Q+BF9CjxmiPzufrweDV0x3KPJAK/eEI2CQ==
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

2026-09-17T11:25:02.958055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037163
observed 6eb2ab4046c89c5d22e80391b297f596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:02.943093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037163/manifest.json
observed d3e868d4abf9b5702a3045254cd769c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:02.927436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037163/publication.md
observed 79d6a8365f082e604f5d84398dc1e98b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:02.911374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037163/publication.txt
observed 68d354567127607bb50b083fcc603be0...
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.