OpenTechnical

OT-2026-000041650

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000041650) never changes.

Identity and time

Publication numberOT-2026-000041650 · never reused
Internal UUID01a0ae79-e8a0-7dfb-8844-c304fac0395c · 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-2026-000041650
StatusPUBLIC

Content hashes

Canonical text728d0d891c491c1974c2e7f625a0802384b205c9bbfb181cba3c8c3b03d92822
Markdown9283775a3b37898430a182c8572495d0246e6b9dc397f611e12a2dcbf3b4fe7f
PDF
Publication page5046e1dcc14510f9d96e7d07c24a8f2852bc507912537a2698df4643e61ac422
Manifest078572b6075b394bfe2197ca8163f362ce609f06e4a4a14b3b57e426e6eb80d9

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
SignaturewJGGMcW0H8OoCHe3QqJzCJ2YK4nDFD5QIB273Jf6MtEuPUcA5fAgpWOypjHjdowbfvo3XTi6j/Ckp4yUuhqKAg==
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

2026-09-17T11:16:27.191963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041650
observed 5046e1dcc14510f9d96e7d07c24a8f28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:27.174374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041650/manifest.json
observed 078572b6075b394bfe2197ca8163f362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:27.157924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041650/publication.md
observed 9283775a3b37898430a182c8572495d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:27.126962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041650/publication.txt
observed 728d0d891c491c1974c2e7f625a08023...
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.