OpenTechnical

OT-2026-000047619

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000047619) never changes.

Identity and time

Publication numberOT-2026-000047619 · never reused
Internal UUID01a0ae7f-3e5a-74e3-b1e2-fc4557f95b88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047619
StatusPUBLIC

Content hashes

Canonical text7b2fc996a6e0cf1d3e4a15b10c948719988ca5e6d21a4dd60725bea2099d3593
Markdown1e19732b2e29c34de94e462ab0537d300d86d7ea3ca9c9fbd290253ad5ca0798
PDF
Publication page15b8aa16807013146d1432e49e0e71323f5bce288e7605a5de9bc14ccb70a9d5
Manifest87f9ee57ddc975b69448a1f20daa3b8db01050d1de9e0d4ed143b18d10716bf1

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
SignatureotKupP4b7e9PJOfB6uOLf947Co5a4hEp/112WOoX2bIZ5OJfOMI994XK5BnXZVTVG6oMn3xri+AiQVLDxCBkBg==
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

2026-09-17T11:06:45.648397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047619
observed 15b8aa16807013146d1432e49e0e7132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:45.630622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047619/manifest.json
observed 87f9ee57ddc975b69448a1f20daa3b8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:45.612955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047619/publication.md
observed 1e19732b2e29c34de94e462ab0537d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:45.594560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047619/publication.txt
observed 7b2fc996a6e0cf1d3e4a15b10c948719...
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.