OpenTechnical

OT-2026-000041568

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000041568) never changes.

Identity and time

Publication numberOT-2026-000041568 · never reused
Internal UUID01a0ae79-e89f-7c4f-8bd3-7379bfc16e4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041568
StatusPUBLIC

Content hashes

Canonical textace13ba710c7ea12f58cceb32ec06fa46942b1750947b4c163dd99f5e6a97627
Markdown0f3f35877be992a1e5d8cc6f95b49a7ebf77a6c5347e54a745ea2bec53464f9f
PDF
Publication pagea11f4e696a697ca64f77e3c91967d9cb8d1c84f14fc7958c7cb96062d7d495fe
Manifest92221db905a941d2f6e5cd7d1d6e98daaa33b9046b67ffe0bc53a5c5832c8599

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
SignaturexG4QRRvLzEu+E7nX/cjbIeuQDC9lGx1ghXEW/9j0h2DkeXYnNn6va4hJgfEDRu6v+OCqoZD2MT+RmQ4/l1YtBQ==
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

2026-09-17T11:16:20.992759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041568
observed a11f4e696a697ca64f77e3c91967d9cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.976930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041568/manifest.json
observed 92221db905a941d2f6e5cd7d1d6e98da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.960362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041568/publication.md
observed 0f3f35877be992a1e5d8cc6f95b49a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.943104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041568/publication.txt
observed ace13ba710c7ea12f58cceb32ec06fa4...
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.