OpenTechnical

OT-2026-000055727

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000055727) never changes.

Identity and time

Publication numberOT-2026-000055727 · never reused
Internal UUID01a0ae87-09ca-792c-a6e6-eaef57498026 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055727
StatusPUBLIC

Content hashes

Canonical text25d6a59ee300903b086a07b21cdfd40d689c97e97de5ed5b07d22e6f58594755
Markdowna756ca5dc12b7c1d3baf42d07d9baabd045f0c95a9e44d52ce6508d3b53171ab
PDF
Publication page74303b9c119565e3198a48ed6e9a74fec7e7fed954d0623b2b80ed17892dff12
Manifest1422a810c4ca6ce2d3267a190d3130f966d9469bf5b714f18c6e05ecbfff5cee

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
SignaturewHhCxqsJbLAueSpiE5rHMww1zhQoeC6lQNyihZ+CbyPr/6E/VVnlPK2NmYsihapOKmGMYYI6iNIHJwjZeP1OCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:03.953135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055727
observed 74303b9c119565e3198a48ed6e9a74fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:03.935607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055727/manifest.json
observed 1422a810c4ca6ce2d3267a190d3130f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:03.918687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055727/publication.md
observed a756ca5dc12b7c1d3baf42d07d9baabd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:03.901424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055727/publication.txt
observed 25d6a59ee300903b086a07b21cdfd40d...
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.