OpenTechnical

OT-2026-000037174

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000037174) never changes.

Identity and time

Publication numberOT-2026-000037174 · never reused
Internal UUID01a0ae77-7741-72f4-9984-c9c4c9e7e330 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037174
StatusPUBLIC

Content hashes

Canonical text0258ee9eeb9e9fc4127461a8286fd159fc2a05e13c7febc3189070697aa07c86
Markdownaea6f51e39094d9cfd2015fc21e9c8b3f17e193d1021b910a4b109657514548c
PDF
Publication page0eb79faf67ef8946db34ef4de5e1f37e3b9546696fa42575d3bfe9ef9c15becf
Manifest5a58db02bfb2c272952dc694ca211edeb7032dfa05cce9cd0973e030ec7a3641

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
SignatureAfDC7dJxaffsug7HhnfjqrO8L9EvZO3TMPHUjgV5e7rQLYPm8bwmqwSzXLsdnX5yHfp2+XyB8poHqr62JrVlCw==
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

2026-09-17T11:25:03.569976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037174
observed 0eb79faf67ef8946db34ef4de5e1f37e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.553859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037174/manifest.json
observed 5a58db02bfb2c272952dc694ca211ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.537422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037174/publication.md
observed aea6f51e39094d9cfd2015fc21e9c8b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.521568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037174/publication.txt
observed 0258ee9eeb9e9fc4127461a8286fd159...
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.