OpenTechnical

OT-2026-000017027

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum 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-2026-000017027) never changes.

Identity and time

Publication numberOT-2026-000017027 · never reused
Internal UUID01a0ae6e-591b-703a-965d-1c0dbb24f6a5 · 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-2026-000017027
StatusPUBLIC

Content hashes

Canonical text730f223aea5ebe9d51539ef896308489c4ca77b336776ced9e91ea0aa51fcf58
Markdownb002196d15d2e983de1dcd20bce640541c7d2181cdbb089bd6311fb00cd64fb2
PDF
Publication page5d921a9496c346c66bee0e0691c95c57d16c6a3ba43d88f19c49c7f3806a3876
Manifest50e8028f131d43f38248864bf309061a719927941386d372a3350254c241f8f5

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
Signatureclp2sc+/59bP2w4pDPO2jcyagAMhiwO6Oo9eRIfBvMWIS9G0NdpjDz4SynRsJTuSczGlUbyu8adhubHg4YUkBA==
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

2026-09-17T12:03:26.227773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017027
observed 5d921a9496c346c66bee0e0691c95c57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:26.212229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017027/manifest.json
observed 50e8028f131d43f38248864bf309061a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:26.196208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017027/publication.md
observed b002196d15d2e983de1dcd20bce64054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:26.179745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017027/publication.txt
observed 730f223aea5ebe9d51539ef896308489...
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.