OpenTechnical

OT-2026-000019365

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000019365) never changes.

Identity and time

Publication numberOT-2026-000019365 · never reused
Internal UUID01a0ae6e-f392-7d8e-b175-6b2ea7311ac0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019365
StatusPUBLIC

Content hashes

Canonical textdf38e8d29f967fc1f2de564a1e9a66b819771764ff628235641b4f77e3fbc458
Markdown0a4826d013acbb67c53d6fabbdd0071851f8f6209c558862afccb116632f2cf9
PDF
Publication pageaa67093f2f29284d1473acd75a53f14c8de52712accd152003b0a178f4f9629c
Manifest900567c2ebb36444e639d91de935dbcc9dc285a58ca6890568513ff05fbcd11f

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
SignatureBkLQyv/pVs+7TuegCHGK92yNSKqHhRM7F0YPltWXrJQYcorHezSkLdB+BtViwKKwc3ZK7I16j9YyZQcoEWS5DQ==
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

2026-09-17T11:58:44.734481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019365
observed aa67093f2f29284d1473acd75a53f14c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.715650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019365/manifest.json
observed 900567c2ebb36444e639d91de935dbcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.697799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019365/publication.md
observed 0a4826d013acbb67c53d6fabbdd00718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.679884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019365/publication.txt
observed df38e8d29f967fc1f2de564a1e9a66b8...
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.