OpenTechnical

OT-2026-000047287

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000047287) never changes.

Identity and time

Publication numberOT-2026-000047287 · never reused
Internal UUID01a0ae7f-3e56-7599-b389-2c65f3279735 · 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-2026-000047287
StatusPUBLIC

Content hashes

Canonical text70df5c746506e11e2b07ba42594b3caa48671b9b0bbc9f74d20d838e25107430
Markdown5c22be98d30a66e377b0a07902ea58be30d4dd7fef4508847d33bc89615917a8
PDF
Publication paged3ed584d9b24559b8642166d6c5b206955bec9fb7b5f1d9376c172d189f170f8
Manifest4a1e0e065dad20588ffc157bb72d3bd23d7af56217042dce7d597965d2afc364

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
Signature9gNNXFaVj3sbJCNhY0eOUZe5+4jVJPV4lQ9bR0BenIZjRsen/wlKQAq6E0Ba6vQf69BkpUmnKDBZCWckn1NNBQ==
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

2026-09-17T11:06:15.637726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047287
observed d3ed584d9b24559b8642166d6c5b2069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:15.619425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047287/manifest.json
observed 4a1e0e065dad20588ffc157bb72d3bd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:15.600640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047287/publication.md
observed 5c22be98d30a66e377b0a07902ea58be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:15.580072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047287/publication.txt
observed 70df5c746506e11e2b07ba42594b3caa...
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.