OpenTechnical

OT-2026-000101164

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000101164) never changes.

Identity and time

Publication numberOT-2026-000101164 · never reused
Internal UUID01a0aea3-c378-7306-978a-44abb91aa26e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101164
StatusPUBLIC

Content hashes

Canonical text4d3492c8e8f7084d32db92cdd71b3a818b4194ff1d61de49ae8b30f881760f7d
Markdown5bf08c7781d75760202cf30ba6b2de55ac5a8e2b38a02b19c5b7f1c63b39de53
PDF
Publication page11cc6768a80536b1e2e922bcc2a87965b6e1302c5d717c71cc306aebf8163a89
Manifest25c47c559621f4374295da4f825b1b69c078e158ac3299092e6039cb6cc68c21

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
SignatureXj9u0J7iDoJS2eEzwtAEcbASL14eE80Un4YVpxGJhTHiIQKOcTC6f7dmspvRt0YcodxMo6nvSdMt41wwrDgUCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:48.292781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101164
observed 11cc6768a80536b1e2e922bcc2a87965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:48.275146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101164/manifest.json
observed 25c47c559621f4374295da4f825b1b69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:48.258703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101164/publication.md
observed 5bf08c7781d75760202cf30ba6b2de55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:48.240534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101164/publication.txt
observed 4d3492c8e8f7084d32db92cdd71b3a81...
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.