OpenTechnical

OT-2026-000018305

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000018305) never changes.

Identity and time

Publication numberOT-2026-000018305 · never reused
Internal UUID01a0ae6e-b489-7cec-b9b7-c62462e8a55d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018305
StatusPUBLIC

Content hashes

Canonical text504d126f4aff712343f9a357865b312b19eae8d56bf7b075a1bfd7f7d193a754
Markdownc2a1b89f5a062f61533f850c1fa46883dc701455e5dc98fdc15119d7934f1dfb
PDF
Publication page3064d890a64c3ca8b9ad836f7aa116c3d032d7bcae53d3d30b8c24513f008379
Manifest500727358929a5c5b6b552860d556d0f8a73f6a6a26145b3046a98f970e1c86b

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
Signaturei9OCDiMXifm5z+XUX5ryT9B9rA8dUeQT/I7DTT2Qo4czGBbKApxvBp9ZcjDJprbplgZoG6MkeWdYcc4ORQbdBg==
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

2026-09-17T12:01:02.407458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018305
observed 3064d890a64c3ca8b9ad836f7aa116c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:02.391782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018305/manifest.json
observed 500727358929a5c5b6b552860d556d0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:02.375294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018305/publication.md
observed c2a1b89f5a062f61533f850c1fa46883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:02.359059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018305/publication.txt
observed 504d126f4aff712343f9a357865b312b...
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.