OpenTechnical

OT-2026-000046931

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000046931) never changes.

Identity and time

Publication numberOT-2026-000046931 · never reused
Internal UUID01a0ae7e-d0f6-74dd-b39b-87f737f64875 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046931
StatusPUBLIC

Content hashes

Canonical textd9a68851af437e95c91d51be3300298b9382d3f07398671a513ab97e40059d56
Markdownbe378aa84b720a2e33cd4f3858cfe2062329aa3bb7a2f79f70a15bbf0ba1238e
PDF
Publication page037bbbf84ef79ca7a3218a0092673827406689fc63b45c552ae53076d71e0bc8
Manifest53137ed0ecf158f3aa1488e4b9c66a47428e7912b6e9f2fa514973a647e48556

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
SignatureCHxuiWl+aUpSCnMRfTmJbZ12Ad6WjqH34cgch4amRcjXxZWHeqEdJx+gp6EePTXXqYMulRQ2RbTJbJxCsaGjCg==
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

2026-09-17T11:10:04.989210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046931
observed 037bbbf84ef79ca7a3218a0092673827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.965192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046931/manifest.json
observed 53137ed0ecf158f3aa1488e4b9c66a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.945299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046931/publication.md
observed be378aa84b720a2e33cd4f3858cfe206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.921443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046931/publication.txt
observed d9a68851af437e95c91d51be3300298b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:39.408027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046931
observed 037bbbf84ef79ca7a3218a0092673827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:39.390688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046931/manifest.json
observed 53137ed0ecf158f3aa1488e4b9c66a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:39.371211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046931/publication.md
observed be378aa84b720a2e33cd4f3858cfe206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:39.351872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046931/publication.txt
observed d9a68851af437e95c91d51be3300298b...
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.