OpenTechnical

OT-2026-000027753

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000027753) never changes.

Identity and time

Publication numberOT-2026-000027753 · never reused
Internal UUID01a0ae72-a4a4-7f07-b077-83fdf4578b83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027753
StatusPUBLIC

Content hashes

Canonical textf76e9ce095f7b553765bb070f3fb0e773400f31e720564c5d062c22622d355b5
Markdownce8cf7b8b1f3d5ea3fc10c1c77c48edbc0a94aa5e7e748957508b2dd67ac29ad
PDF
Publication page07429288577901cf8e033af81d157e2d16f95ef2551dbc3f0aebc103dae80bbd
Manifest6eb918826129a4b41ee0ba55b4661b5c49b0f8692c0843d3d0eac486ff5dac7a

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
SignaturerymdYMpVzbD1v26I8hhE+9eEoI0FkKxbYs7rsVcCf8i2PTeE0IRV3eDaZsCppCJAiHW+6hdLrbqYs1Y+QpBSCg==
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

2026-09-17T11:41:47.682186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027753
observed 07429288577901cf8e033af81d157e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.659323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027753/manifest.json
observed 6eb918826129a4b41ee0ba55b4661b5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.641914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027753/publication.md
observed ce8cf7b8b1f3d5ea3fc10c1c77c48edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.620824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027753/publication.txt
observed f76e9ce095f7b553765bb070f3fb0e77...
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.