OpenTechnical

OT-2026-000085721

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, 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-2026-000085721) never changes.

Identity and time

Publication numberOT-2026-000085721 · never reused
Internal UUID01a0ae99-aaae-76cc-aed4-de19c8f445ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085721
StatusPUBLIC

Content hashes

Canonical text20a17b64d125f0971d24978aca392a7be93a95a8ca70fca9d07c58dc54968a6f
Markdown27fe355eaba8bf6eb6fb102faf2aefe82bdf708b0abb53801e6229a69d20bba5
PDF
Publication page6b5b47b704336e8c05f5633c729ffe485f144f855e4a46dfef78235ed0311418
Manifest96b25cb494bd3ee53574aa91c106d006ae2ec0d6bad9ba1db9651dd87b3cc571

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
SignatureqvacL1NAzhlvOWT2fX1PPs0y0HyH8vCnzFpe/WvEnj8ZYGL2+4KoctPjNYNDwjx0rX+LIIO1gwG6GOjtm1eJBw==
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

2026-09-17T09:54:37.853191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085721
observed 6b5b47b704336e8c05f5633c729ffe48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:37.833288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085721/manifest.json
observed 96b25cb494bd3ee53574aa91c106d006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:37.813293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085721/publication.md
observed 27fe355eaba8bf6eb6fb102faf2aefe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:37.795557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085721/publication.txt
observed 20a17b64d125f0971d24978aca392a7b...
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.