OpenTechnical

OT-2026-000084552

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000084552) never changes.

Identity and time

Publication numberOT-2026-000084552 · never reused
Internal UUID01a0ae98-e25a-727c-b6b6-87651cb8bcde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084552
StatusPUBLIC

Content hashes

Canonical textcdf9dba4db614d1eca05d92a8d9f7e0da684df97a7cc2436f5a98198a4804341
Markdown09759364c446f468802734668cb1ace249296e6121b9b177df0f3f1c276889cd
PDF
Publication page246511bb9685097de0b548e210cb34059633381b96d1bc694781757cd70942b1
Manifeste99edda231f08361940c9c235c21c08cc9dd78201c72ac3d07473041c47d76f0

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
SignatureJJzmxgMMVIAHUAgmlUvWBlo2bPsg5lLd5qVwOQAP6m/uioGp2bR4ODIdPT8Jkc7Fly9vmucDETnBm5AwlnD1BA==
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

2026-09-17T09:55:26.639578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084552
observed 246511bb9685097de0b548e210cb3405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.620534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084552/manifest.json
observed e99edda231f08361940c9c235c21c08c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.603111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084552/publication.md
observed 09759364c446f468802734668cb1ace2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.586685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084552/publication.txt
observed cdf9dba4db614d1eca05d92a8d9f7e0d...
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.