OpenTechnical

OT-2026-000068080

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000068080) never changes.

Identity and time

Publication numberOT-2026-000068080 · never reused
Internal UUID01a0ae8f-c4fe-77f0-973d-34f31a0203c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068080
StatusPUBLIC

Content hashes

Canonical text57de0b75b12d9c96c8b8796baff08944f2812a94b77c88c5c90cee2ed355b002
Markdown844244389036923a7b004ba2361d94328ed63599afb3ce7018a69505364d53d1
PDF
Publication page515c4ae6e8e2a5dc90c8f87f2aae59910feac24234c5066426b3138ed5a9ef30
Manifest8934e9c1154699f474d9bd16d1d4abe3a3d6f8953e99fa94c4d4c49eb4eb5558

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
SignatureM8LrP7+ETYUbpf+Woul0Kh3olDvJWovfNTdxQQpGL7+OtkEmfZJJ/msXssE0y9BOvBhlkJxYaccG9e0YoQSpBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:40.304826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068080
observed 515c4ae6e8e2a5dc90c8f87f2aae5991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.282811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068080/manifest.json
observed 8934e9c1154699f474d9bd16d1d4abe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.261596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068080/publication.md
observed 844244389036923a7b004ba2361d9432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.243735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068080/publication.txt
observed 57de0b75b12d9c96c8b8796baff08944...
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.