OpenTechnical

OT-2026-000033117

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000033117) never changes.

Identity and time

Publication numberOT-2026-000033117 · never reused
Internal UUID01a0ae75-4844-708d-a9f3-5bc165bfc86e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033117
StatusPUBLIC

Content hashes

Canonical text4613789c23cfa809f413a66ec3657be87f84ca3b4a2b200852fff1cbc0e8ab68
Markdownc447f9f1208620b2b04a669ff55f5980f993bb9013758323dae2fb4b2268564a
PDF
Publication page61987384944c23c503451d82f4da3fe5a24c74bdbe5e983abc1e4480473d6614
Manifest2c376289f6a85ce0be3fb313374ec33f2710f411dcf44f63ec5ba9988fba65ae

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
SignatureK9cCTogcYA/0JKhx0CF6RZFI0MjVz22vRWupLNfoa3tdHC/2zaveHQUN4oMtcQZg+uBmubX5r+vPi8ngCX9sAA==
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

2026-09-17T11:32:47.418602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033117
observed 61987384944c23c503451d82f4da3fe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:47.399554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033117/manifest.json
observed 2c376289f6a85ce0be3fb313374ec33f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:47.380746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033117/publication.md
observed c447f9f1208620b2b04a669ff55f5980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:47.362752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033117/publication.txt
observed 4613789c23cfa809f413a66ec3657be8...
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.