OpenTechnical

OT-2026-000027284

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, sustained 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-2026-000027284) never changes.

Identity and time

Publication numberOT-2026-000027284 · never reused
Internal UUID01a0ae72-6996-7312-a06c-902a38a7c7d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027284
StatusPUBLIC

Content hashes

Canonical textc096a17a6ddda135342c4370a486b508af1472b39b918af98f3c9b636d76ed40
Markdown0fad233537ecbc59301952ef6e2ba2cc3c44a1b056a693c182c433955095093a
PDF
Publication pagea4d84baba4661baf2419470d31c498681a48e192237590596d27b5e1ea144731
Manifest52b06b5953345970789530dc6b2d69eba9d4aee69aaf1d1f4c92df17f673a844

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
SignaturebpCe0mzbAt27cSitci2a6JfJx9Tw1QvrO3StMOGMkKK3DfoFfi9//mAoSvghRjT0DcSFgR1+K4H5F6ZubdbjBg==
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

2026-09-17T11:42:40.289365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027284
observed a4d84baba4661baf2419470d31c49868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.274184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027284/manifest.json
observed 52b06b5953345970789530dc6b2d69eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.256191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027284/publication.md
observed 0fad233537ecbc59301952ef6e2ba2cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.238976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027284/publication.txt
observed c096a17a6ddda135342c4370a486b508...
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.