OpenTechnical

OT-2026-000025329

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000025329) never changes.

Identity and time

Publication numberOT-2026-000025329 · never reused
Internal UUID01a0ae71-5fa7-70f8-91e0-2700cb2b5e03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025329
StatusPUBLIC

Content hashes

Canonical text859e7182a22b1832f5c84a634a4f6a9b349cb10ac8e0e153815981225ff36ead
Markdownd2d0340b503b11c2b560dbc54c41465b23a8beff4571e8242ed4a08062e9a686
PDF
Publication page216a2ce003dd0e1ae45a1e2e4cc66de5af913b33ba0cd1a7a6606b6f0089e9a5
Manifest23c3639fed8e711d2e57f21bc530282c2943ee60fe24000a06594219679e5824

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
SignatureA0woK7Xk//DP+cSDf6cwI9+AXENW4DCtOx0+fde+TLSezojjub75CL7TJlRaM0FiI+DODowp6fJ1PKZ6B1OnAg==
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

2026-09-17T11:47:21.239573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025329
observed 216a2ce003dd0e1ae45a1e2e4cc66de5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:21.221690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025329/manifest.json
observed 23c3639fed8e711d2e57f21bc530282c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:21.204818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025329/publication.md
observed d2d0340b503b11c2b560dbc54c41465b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:21.188485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025329/publication.txt
observed 859e7182a22b1832f5c84a634a4f6a9b...
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.