OpenTechnical

OT-2026-000038470

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000038470) never changes.

Identity and time

Publication numberOT-2026-000038470 · never reused
Internal UUID01a0ae78-2d53-71b9-ab8a-7cd7bd47ad3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038470
StatusPUBLIC

Content hashes

Canonical text468d2145f052f6d88e5759011069f92bb48c11fd421afc4d7494e8a31cc6ef35
Markdown03e717f15d5b3c7c6d64cd49797d23643b3a3140b6a191850cee5ed628ec3f76
PDF
Publication page0e5867ef8829d281962f8722ea8a37c759775f21c3aba248088b837e64cecaef
Manifest2590adfa7bb19ea179ac0b41800284dc2348e89a8481b1a14b5b8691ffe40e8b

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
SignatureZ9qjqkz3xUFYb4uWiZl3ueccLe0rXfO1b9jsTWJKavynfpgYn/7xX3g4149YXH4S++FUbPqcSi7u58wS/CU5AQ==
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

2026-09-17T11:22:42.428147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038470
observed 0e5867ef8829d281962f8722ea8a37c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:42.408332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038470/manifest.json
observed 2590adfa7bb19ea179ac0b41800284dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:42.392859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038470/publication.md
observed 03e717f15d5b3c7c6d64cd49797d2364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:42.376193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038470/publication.txt
observed 468d2145f052f6d88e5759011069f92b...
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.