OpenTechnical

OT-2026-000043030

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000043030) never changes.

Identity and time

Publication numberOT-2026-000043030 · never reused
Internal UUID01a0ae7b-3278-7b0d-b16f-41456f1ca5da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043030
StatusPUBLIC

Content hashes

Canonical text90aca6d4913f9e439e743777d63f7ff288333b078e03c52e10f20f7cd2fe08eb
Markdown8fbfb63f2c607ed08f6cd5141f716c2c325d6975b55021a0172ce6c713bb333d
PDF
Publication page33d0ff8d2d1cee2167767ac63e88c808c85532f6492c68859f69b45af4ef7e24
Manifesta031e2f73025067b375938a2e884ab3a54af928acdfd244ee030bb0c61bad8c6

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
SignatureZKfBzrr3PUQapLwhQTzGGej2MRjt6xE6FSHHGo0o6tZaweOnPCsQXqId2i7v2i9Ujd24pgnkc1NslBDPUFxNBw==
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

2026-09-17T11:13:20.872826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043030
observed 33d0ff8d2d1cee2167767ac63e88c808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:20.853016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043030/manifest.json
observed a031e2f73025067b375938a2e884ab3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:20.835045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043030/publication.md
observed 8fbfb63f2c607ed08f6cd5141f716c2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:20.816043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043030/publication.txt
observed 90aca6d4913f9e439e743777d63f7ff2...
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.