OpenTechnical

OT-2026-000027515

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two 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-2026-000027515) never changes.

Identity and time

Publication numberOT-2026-000027515 · never reused
Internal UUID01a0ae72-6998-7584-8603-a585eaabc219 · 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-2026-000027515
StatusPUBLIC

Content hashes

Canonical text01705916b83df0c77fd36a4f246d13d3a09142e2890c2ff23f498aa8160ab055
Markdown53bad81c3dac19adb36fb475916bdd2f9312ae59b1e167d37de8d6914b825af1
PDF
Publication page6eeb0703e1a4101d70f5d170977d5ec3846536b6973959cdbc121a4d4ac5ff92
Manifest399938ead1a139faa9cd9a26c0673b3d94ab5fd8fe73d660f5c61f3cae1112d8

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
Signature+vXcZZGcN/jY1Mmzsl83A2ZafPhXQUX74YwkcF9EahBOCa3cNbJ1ZHvcBClALAITqpYRfm+9EvKAJrPT36CNCQ==
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

2026-09-17T11:42:59.565416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027515
observed 6eeb0703e1a4101d70f5d170977d5ec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.536614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027515/manifest.json
observed 399938ead1a139faa9cd9a26c0673b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.518521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027515/publication.md
observed 53bad81c3dac19adb36fb475916bdd2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.493962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027515/publication.txt
observed 01705916b83df0c77fd36a4f246d13d3...
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.