OpenTechnical

OT-2026-000046683

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000046683) never changes.

Identity and time

Publication numberOT-2026-000046683 · never reused
Internal UUID01a0ae7e-57df-74fb-9597-fd3fa92580cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046683
StatusPUBLIC

Content hashes

Canonical text206ad86a3dd7b2e60463d83dcc1b4a632292569ecdec2696be0b27bc6fd817f7
Markdown4dc0993926ffd7609b60062fee902b0a5aeed2d93d3af9983d3ff5066dca85b7
PDF
Publication page2fedc2a262b51172ed01d1c522c344d27ea18ecae17ae2efe4a65054f26a8fa1
Manifest373c32b02de6b6aed7759e4127482e1482fc3f26a07f1a6e342db9de6195dea2

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
Signature9cSIw8Sv7RjHRnNBygj+13k0Vu1qYDGHix5Lw7w5CinNfz/RtB+1sVznKG0ckr5Gl0KZ4ldh5jkqxttwINuRAw==
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

2026-09-17T11:08:47.083485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046683
observed 2fedc2a262b51172ed01d1c522c344d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:47.065827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046683/manifest.json
observed 373c32b02de6b6aed7759e4127482e14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:47.047835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046683/publication.md
observed 4dc0993926ffd7609b60062fee902b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:47.028396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046683/publication.txt
observed 206ad86a3dd7b2e60463d83dcc1b4a63...
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.