OpenTechnical

OT-2026-000013913

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before 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-2026-000013913) never changes.

Identity and time

Publication numberOT-2026-000013913 · never reused
Internal UUID01a0ae6d-8dea-7947-bc23-4fabb94cf725 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013913
StatusPUBLIC

Content hashes

Canonical textcd03e60cee4b73bbe670b606de7cc21cd9e79cbc0d4d941b5a523c89b4a7cbe8
Markdown45b6261ff91d66d09ea49509fb0fa5c4c6745994b1dfe30ac5eee80f951f3ba0
PDF
Publication pagec4bb40a74a883ebe92c7cd6817a4b9ee14ffac980813b2af384e58389ce7b653
Manifeste22231713c48fd7d8aff1dd853ada6df1be5e8a7b33f10a04055976ee3c253b7

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
Signatures+53CXQYeZDX5UtYr2tKc9hoI5KZNuc1FGzFLEDAQQBsp6z1qX20acgv6DOFeaxHhynZhZTwuwICrZcfE79JDg==
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

2026-09-17T12:09:02.629193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013913
observed c4bb40a74a883ebe92c7cd6817a4b9ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.609130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013913/manifest.json
observed e22231713c48fd7d8aff1dd853ada6df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.589211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013913/publication.md
observed 45b6261ff91d66d09ea49509fb0fa5c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.569266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013913/publication.txt
observed cd03e60cee4b73bbe670b606de7cc21c...
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.