OpenTechnical

OT-2026-000016732

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down

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-2026-000016732) never changes.

Identity and time

Publication numberOT-2026-000016732 · never reused
Internal UUID01a0ae6e-5918-71bf-b651-aa805b34c9f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016732
StatusPUBLIC

Content hashes

Canonical textb3cbc7ae8bc93b15e15d20acad3c6afadab57c6d2d5cbf2927ba43866f95d05d
Markdown51b718cecd83bd5d42429ef636960c740577b8fddd61ca4c444326d005078a3e
PDF
Publication page5b0bb39eddc8ca25defdd03e9538fdbeb51e66aeb68060820aa8fa286fe1836f
Manifeste9207608e39f5ebefd6ea3c039a9d85e4cad113660c6b02181448b86e1658336

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
SignaturedJT+4UEgkUGtgg4EhT9vpzYPQiiR6mholAFdMdffRuwidDYkC2s00k/KxINHhENm4i5pWtkuA2WlJgCNOgv8BA==
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

2026-09-17T12:02:57.777004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016732
observed 5b0bb39eddc8ca25defdd03e9538fdbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:57.758994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016732/manifest.json
observed e9207608e39f5ebefd6ea3c039a9d85e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:57.741497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016732/publication.md
observed 51b718cecd83bd5d42429ef636960c74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:57.724130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016732/publication.txt
observed b3cbc7ae8bc93b15e15d20acad3c6afa...
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.