OpenTechnical

OT-2026-000023239

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000023239) never changes.

Identity and time

Publication numberOT-2026-000023239 · never reused
Internal UUID01a0ae70-7267-7b88-93d6-b83db6041e10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023239
StatusPUBLIC

Content hashes

Canonical text09899372804a39f7d9673e6c13b11a4d0a054f670de8c044b5c77190b376376c
Markdown8385975f68b1a65e5d9930c59b7ca06cec78b7b2210ed66971dd606883e0a168
PDF
Publication page9bfaed37dcc62176041ca8cdaf88315a08496f4af2ee7fde7217ee10a9ad6861
Manifest5954d21865075aaa4961891c11a0c34266e30f02308a4be49ae0ae84f5ddf9d6

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
Signature84ToqpY/xRKaYF82qk0454FMiJNPRnUC5TiOeCxJmDB7PlnlKPT32LfDU8sadYTh7AZgRFRnwVJbvB8YP5NeAA==
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

2026-09-17T11:51:18.108827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023239
observed 9bfaed37dcc62176041ca8cdaf88315a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.081304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023239/manifest.json
observed 5954d21865075aaa4961891c11a0c342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.061327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023239/publication.md
observed 8385975f68b1a65e5d9930c59b7ca06c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.044389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023239/publication.txt
observed 09899372804a39f7d9673e6c13b11a4d...
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.