OpenTechnical

OT-2026-000010463

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000010463) never changes.

Identity and time

Publication numberOT-2026-000010463 · never reused
Internal UUID01a0ae6c-0ee6-71b3-9f42-1fc56dd12170 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010463
StatusPUBLIC

Content hashes

Canonical textb450bf1315e2f7a16aeb8a07ec49c52724663fc09ab9d50368db6fb76c5b19a2
Markdownf17b94ab82807bd9dd9b8ffb13c478f6ed179ca6e07dbc512d99d1bdd4cdd655
PDF
Publication page35a103abc78f0d0ded2a6d7ff5575e2b04d4453e6e4a16a9fbfc244dc4b2e2ee
Manifest993cc0b06ff0b3c8227f0220343ecb0599dde55434620d9f8101e66267701439

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
SignatureF97AKZw7HnlXEDh/vvoCHBR61sJFGzpaTCXCtQSmBLht7gtyTXX13m7JF73C3ffo9IYZDUStIAx9jRZmY3JmAg==
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

2026-09-17T12:14:36.235636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010463
observed 35a103abc78f0d0ded2a6d7ff5575e2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:36.213902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010463/manifest.json
observed 993cc0b06ff0b3c8227f0220343ecb05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:36.176173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010463/publication.md
observed f17b94ab82807bd9dd9b8ffb13c478f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:36.139760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010463/publication.txt
observed b450bf1315e2f7a16aeb8a07ec49c527...
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.