OpenTechnical

OT-2026-000022833

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000022833) never changes.

Identity and time

Publication numberOT-2026-000022833 · never reused
Internal UUID01a0ae70-46ea-7e0c-a958-445cfae34886 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022833
StatusPUBLIC

Content hashes

Canonical text3dfc1a2885c1bc577c4630d210d0560e665ba5532f4e7a867e2cc0ad4344c868
Markdownf8d256783c31922712349339622458f13ca35eccf53f8d815d898a78f286ffb7
PDF
Publication page9dd9f0a3c948321654b8f7a9c6c93e35485fca3d75973431fab854ffad4996a5
Manifest179ab393fd4c9f4a2023d63e95303dcb01ff831d2fd737e4854359a69e92d962

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
Signaturem2BLeP2Z8q2C4lhGQrdsOUVEayUyX9eNs3RIjlwWvCJd7p2r15bxIk0G03A6cSzGovae4cxVvGUO2AMfWGdPDQ==
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

2026-09-17T11:52:22.009666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022833
observed 9dd9f0a3c948321654b8f7a9c6c93e35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:21.991646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022833/manifest.json
observed 179ab393fd4c9f4a2023d63e95303dcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:21.973594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022833/publication.md
observed f8d256783c31922712349339622458f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:21.954235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022833/publication.txt
observed 3dfc1a2885c1bc577c4630d210d0560e...
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.