OpenTechnical

OT-2026-000013649

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000013649) never changes.

Identity and time

Publication numberOT-2026-000013649 · never reused
Internal UUID01a0ae6d-8de8-778a-8495-cb859ed9fc53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013649
StatusPUBLIC

Content hashes

Canonical text5908f23ec190f12eeffb335ef52c74133f54f0ad41afcda7f896685a08cee3a7
Markdownfa1fd6f483a7d243068db85215a35b39e4dcfc8598c9f52072f7441939bf49a4
PDF
Publication page5404cb0ca46b2dba095a7502b1d661f98a711c2fa5a49e6f3312f75dd2a7d2de
Manifest840bc7fb794c930aa4a83bbeea883cf0083712a5c2c7f9bdaa31a42c93ab882d

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
SignatureJxmoZhHnZcbktdiE0Kt+ZCR+cnbvmSIaOyNEzHFd40Cko2kem+/zr4oGiohPQSuasbKY/eSV6Fj29xtS5y8BDw==
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

2026-09-17T12:08:35.205508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013649
observed 5404cb0ca46b2dba095a7502b1d661f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:35.186248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013649/manifest.json
observed 840bc7fb794c930aa4a83bbeea883cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:35.167964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013649/publication.md
observed fa1fd6f483a7d243068db85215a35b39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:35.150300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013649/publication.txt
observed 5908f23ec190f12eeffb335ef52c7413...
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.