OpenTechnical

OT-2026-000020656

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000020656) never changes.

Identity and time

Publication numberOT-2026-000020656 · never reused
Internal UUID01a0ae6f-65e2-77bd-8798-3039a26808cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020656
StatusPUBLIC

Content hashes

Canonical text0107fcd23fcfd31bf3ea3e10897e629a307c41678f7722734a99ab461870e2b6
Markdownc6929daf90c55c52a22a6b83b3fdf826ffd540f0069be5b57e7d94465f56e95c
PDF
Publication page0ad69ec1ccd6e2713ebb9c3b8782eb14d9daf88b4d39f9d22cce2e93ff28a83e
Manifest5f87bc4f791ef7f0fd93c54fada19ad0471325a5d51c2f8a08b6dbef646c7621

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
SignatureQLLjw8FgWypEmaFukliCRngS+yaQs/tU6nwP52dy2n8DIzo7kRJWm345k02dPgtJCbGnvicuy08HCT4joS7iCw==
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

2026-09-17T11:55:36.644993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020656
observed 0ad69ec1ccd6e2713ebb9c3b8782eb14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:36.626899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020656/manifest.json
observed 5f87bc4f791ef7f0fd93c54fada19ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:36.608352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020656/publication.md
observed c6929daf90c55c52a22a6b83b3fdf826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:36.587009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020656/publication.txt
observed 0107fcd23fcfd31bf3ea3e10897e629a...
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.