OpenTechnical

OT-2026-000065272

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000065272) never changes.

Identity and time

Publication numberOT-2026-000065272 · never reused
Internal UUID01a0ae8e-1dfa-7d53-8438-f2b86b92b654 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065272
StatusPUBLIC

Content hashes

Canonical text83c17eb51c9fe9f701534ecf7835f993dbb47d9ff6d2be299464fb517da23b7f
Markdown77dbb9ae07de803e0ca6f912096b1f1f33f0d8eaa7d2dd3af99b3de39eea5c04
PDF
Publication page68d3c2767a66f6e7b7d6890befd5067b92d6c8dc0c08dbae2dfd326460a030c8
Manifest88bbcba86f56817c4042c751085a50e7e79f9d1fb9d9a8dc7a8649ca813d2380

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
Signature7W/LINRRZ589ixfxWiHKN2ShCBmI5UFdQvRolQyZbw4+6AA3BQFqXE4ecur1+55TweayBZ2xHUV7DT5aXQOeAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:13.878890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065272
observed 68d3c2767a66f6e7b7d6890befd5067b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:13.860022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065272/manifest.json
observed 88bbcba86f56817c4042c751085a50e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:13.840932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065272/publication.md
observed 77dbb9ae07de803e0ca6f912096b1f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:13.811987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065272/publication.txt
observed 83c17eb51c9fe9f701534ecf7835f993...
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.