OpenTechnical

OT-2026-000042040

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000042040) never changes.

Identity and time

Publication numberOT-2026-000042040 · never reused
Internal UUID01a0ae7a-5d70-7c72-919e-83a560779285 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042040
StatusPUBLIC

Content hashes

Canonical text26e2b3efdb8c4b24acd9627fb74c8f0d96f823977056180e4956e8044574c2b1
Markdowna6b1d784ba89602a2f6842144b309bc2de6a63fa1cc80d52e04a466cf9cc48ba
PDF
Publication page48f241a819d9140f363033567c13c85d8bc2f9f88c25422481fc515aa5fd305f
Manifest464deb16a82ab13b4a4da656b26492a08bf24d92739deee2fa9f7d3f26ad4fef

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
SignaturelrXeRrs0cBYzHcw2KhEreqeZl0DRO6TxdVgECvc1JqsY/yI55zHLvIvLK+m6KxTMJ+yK5iJhFW5FBtHRiEfIDQ==
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

2026-09-17T11:15:33.143727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042040
observed 48f241a819d9140f363033567c13c85d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.125148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042040/manifest.json
observed 464deb16a82ab13b4a4da656b26492a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.107520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042040/publication.md
observed a6b1d784ba89602a2f6842144b309bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.088008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042040/publication.txt
observed 26e2b3efdb8c4b24acd9627fb74c8f0d...
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.