OpenTechnical

OT-2026-000030554

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000030554) never changes.

Identity and time

Publication numberOT-2026-000030554 · never reused
Internal UUID01a0ae73-e505-7dd1-a539-b6c87c12da0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030554
StatusPUBLIC

Content hashes

Canonical text880ea4c8c90d46b049162af2344e8e7a1d5568376aaf3fda1b6da5a250411bd3
Markdown4b6cd5d12d7e8c88b267756ee5d2c1e9d6914c51afd3a8232694c2d258d58fa5
PDF
Publication page723953e1aaaa852ed025c80b3b3cdf95a42a3b84ee575270159fea9107958378
Manifest13fc6b10cb9eee2e4d8fe8038c2fd9db70e3ce92f7a7292dc3eb102476528ba5

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
Signature3cxMIs/JH87KNOsJIIwZJ42jIfsoPAm3OpsFNyumXLLxlwP250CXG4lFwLcTu6UXqujLFp73jYJyiFUq/GkWCA==
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

2026-09-17T11:38:25.443373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030554
observed 723953e1aaaa852ed025c80b3b3cdf95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:25.423720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030554/manifest.json
observed 13fc6b10cb9eee2e4d8fe8038c2fd9db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:25.406926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030554/publication.md
observed 4b6cd5d12d7e8c88b267756ee5d2c1e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:25.389598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030554/publication.txt
observed 880ea4c8c90d46b049162af2344e8e7a...
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.