OpenTechnical

OT-2026-000101989

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000101989) never changes.

Identity and time

Publication numberOT-2026-000101989 · never reused
Internal UUID01a0aea4-50f1-7ea4-a253-163d633671eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101989
StatusPUBLIC

Content hashes

Canonical text3a807ea134342d06388b30cbbb94436b29614e6b07a9b44949fbb1ab665acf22
Markdown2a5bc89fd5f11728e71f98d7a85b3b2da29eb9d9a5dbc12bd1607d508dee1c62
PDF
Publication page3973e4def4a1d96d055c26474287634d04f707ffe2e5b251d7ab6e0e6d836e15
Manifestd52308613cd4446ce0442e5323f86c84805f7e0f34e7d048879d173bee38693d

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
SignatureYYSQ6CzOE40mdNXXkPqdYPtoECq+yk99IeCEr6qRlxoOuT1wAKFM5CiCLORsU9MM8Fy8uZU94yVqzJm5GY9yDw==
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

2026-09-17T09:25:06.765845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101989
observed 3973e4def4a1d96d055c26474287634d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.747527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101989/manifest.json
observed d52308613cd4446ce0442e5323f86c84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.728835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101989/publication.md
observed 2a5bc89fd5f11728e71f98d7a85b3b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.712545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101989/publication.txt
observed 3a807ea134342d06388b30cbbb94436b...
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.