OpenTechnical

OT-2026-000025737

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000025737) never changes.

Identity and time

Publication numberOT-2026-000025737 · never reused
Internal UUID01a0ae71-9bca-7252-b7fa-daa66d395616 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025737
StatusPUBLIC

Content hashes

Canonical texta46c30398ba1217d72d2130fd3e427ac60e945bc98148998eee2b5a33d67d1ac
Markdown78188e0fa05b8376b096e378b810e1dadccdfab803032ea06bfc5d8c07b44c6d
PDF
Publication pageab1f653ac9c9a09620c0f8428414d6e342ccfca47f23e7b935224b154c9e92e1
Manifest21da1fe75bb7fb776f1d993bcdfed5fbe477c92bd7228d479024a5c43379f2a0

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
Signature2+HuiQDVuqt5iveWQIQ4ffJcp7m930WaveKJlobCXHVHiuyughuLhkFbi9y+mJ5PqKRxIpKW5Jz+q40ujjTZAA==
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

2026-09-17T11:46:57.617534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025737
observed ab1f653ac9c9a09620c0f8428414d6e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.601173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025737/manifest.json
observed 21da1fe75bb7fb776f1d993bcdfed5fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.582843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025737/publication.md
observed 78188e0fa05b8376b096e378b810e1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.565635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025737/publication.txt
observed a46c30398ba1217d72d2130fd3e427ac...
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.