OpenTechnical

OT-2026-000045329

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000045329) never changes.

Identity and time

Publication numberOT-2026-000045329 · never reused
Internal UUID01a0ae7c-f76b-7598-a124-d8d9b15f98b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045329
StatusPUBLIC

Content hashes

Canonical text423f78218140a732542a17f57060d7c163d797e4acb5d1bb407c5999d877a20b
Markdown2c921ff6df332880595684b87d85272a426be6113637cb8b4fdb10cabc41b232
PDF
Publication page44c4bddd228209c0d6f3a06d6c808e3f294f53bb1f1357f810d81d30fadc395f
Manifest7dc09e5ee28e5f4d14470a010cbd5fbc982dc6b342f7e5856f6d7b63ab282377

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
SignatureVVUc/FWGDiux8/lkVF0mwVc3h9Y7TdO4d2A2ZhvFhbZPcT3jtx2y6r+UWHNPVr/pPSu6GRw+q62mTynliE2SCA==
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

2026-09-17T11:10:35.083394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045329
observed 44c4bddd228209c0d6f3a06d6c808e3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:35.064735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045329/manifest.json
observed 7dc09e5ee28e5f4d14470a010cbd5fbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:35.047144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045329/publication.md
observed 2c921ff6df332880595684b87d85272a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:35.029400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045329/publication.txt
observed 423f78218140a732542a17f57060d7c1...
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.