OpenTechnical

OT-2026-000030743

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000030743) never changes.

Identity and time

Publication numberOT-2026-000030743 · never reused
Internal UUID01a0ae74-3fb4-716e-a11e-cd5b6e6a2bc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030743
StatusPUBLIC

Content hashes

Canonical text3cb370e036b09ef59f7c13cad4d5a7a1687b33ef5d8f8a6b0c65567e405d5702
Markdown1f2c7705fab90552d8d48c94dc6aaee9f7f42179fc1d01391458a18519903a05
PDF
Publication page5b40d2875ff48a56296d2cda5a36700afe22727d6a9a824c498d5a11dfcbc8ca
Manifeste5e08bbce92d6100ad6be8f776d23a1284209423429e4f8fc88ef110445d672a

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
Signature66vCgihONp+LR+McCUhJtHOZSFXmBUjEer8F0vJcLFOjI8c6HpcaOfJUZTNY3xa5QPZ3fhIdILm5hKv1eUVMCA==
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

2026-09-17T11:36:40.831008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030743
observed 5b40d2875ff48a56296d2cda5a36700a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:40.812702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030743/manifest.json
observed e5e08bbce92d6100ad6be8f776d23a12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:40.796368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030743/publication.md
observed 1f2c7705fab90552d8d48c94dc6aaee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:40.775890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030743/publication.txt
observed 3cb370e036b09ef59f7c13cad4d5a7a1...
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.