OpenTechnical

OT-2026-000039403

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000039403) never changes.

Identity and time

Publication numberOT-2026-000039403 · never reused
Internal UUID01a0ae78-9675-74b9-b7a2-7b01adc86510 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039403
StatusPUBLIC

Content hashes

Canonical textac6f3d76abd95659b9974f52aaa87f5c402782d6802f16f76afb65338197a175
Markdown9d2398bb361ae98d448a96b1473c5bb8065dd92c9ea18fd0f6ef64d9cf36aef4
PDF
Publication page02eca463cb0462cc20dead2fddfa895cc96c8029927188024331951b6a025812
Manifestde554968ae9487e5e588ea76231d7871d66bf8f6d0c29ac2a91b035932ecc979

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+fbZYO/JM56MojB6Pju6VoOuGamVvyb2fLACqPC6jmadkDIF2JPLAVnuon15kcqqzQkSgljYb5iG9OeqxjMjBA==
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

2026-09-17T11:21:00.715682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039403
observed 02eca463cb0462cc20dead2fddfa895c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.700472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039403/manifest.json
observed de554968ae9487e5e588ea76231d7871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.683957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039403/publication.md
observed 9d2398bb361ae98d448a96b1473c5bb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.668311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039403/publication.txt
observed ac6f3d76abd95659b9974f52aaa87f5c...
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.