OpenTechnical

OT-2026-000086030

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000086030) never changes.

Identity and time

Publication numberOT-2026-000086030 · never reused
Internal UUID01a0ae99-e82b-754c-a25c-a497497928f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086030
StatusPUBLIC

Content hashes

Canonical text0c3067c81e248f0a2c9ce9a546c2a393547abef6be43551ad8a6f1ca94c22ef3
Markdown32608fbf5ba2ea3ff078e7294d9f964bc3b989df56501fbe21468f6452ca50a8
PDF
Publication page399b1287bc7ad4ad7056ac7431059134925b6a3073328a2fe279652a0b8e406e
Manifest0bdaa06705019382a35e61bc784dad1226fb2353fdc6fafcc34ccb2aa97ef7f7

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
SignatureoW4YX+BF7+VeWyAQpTEUnqRa9q7O+ZWzpprvBQyL52K2vP9+EI0wl03Ot/2p8FVCzXeHbQ97U8jQ0wB3PRmaBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:53:01.356348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086030
observed 399b1287bc7ad4ad7056ac7431059134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:01.340427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086030/manifest.json
observed 0bdaa06705019382a35e61bc784dad12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:01.324203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086030/publication.md
observed 32608fbf5ba2ea3ff078e7294d9f964b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:01.305862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086030/publication.txt
observed 0c3067c81e248f0a2c9ce9a546c2a393...
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.