OpenTechnical

OT-2026-000044240

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000044240) never changes.

Identity and time

Publication numberOT-2026-000044240 · never reused
Internal UUID01a0ae7c-39d5-7579-bdec-ddb835449b53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044240
StatusPUBLIC

Content hashes

Canonical text49c742c2e63093d71d2791334bbb1bbb59e0a73add3d6f04f5da531c01313bb6
Markdown0a02263f555e5660ef7f73a761227897da71de0a2799fd3e2f857eafb32ff7f1
PDF
Publication pagee395cf9b1d297ebf48adf84347ab7f0e4bad8f309de7adf13b3a2c5da50d7a2c
Manifest46e3677a52b49a4ebab9e8bb13b06368c5094e1a597d70e5bb4911373d9c881a

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
SignatureO2XEMjMcXvnD681qplv7xvIcTT+wuCPpHtMJWGzJlo6AYR8oBPPt0Hf+u5cA4RxR+RTfeqWFZZyvOzjvk4WTBw==
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

2026-09-17T08:30:04.794856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044240
observed e395cf9b1d297ebf48adf84347ab7f0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:04.777643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044240/manifest.json
observed 46e3677a52b49a4ebab9e8bb13b06368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:04.760295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044240/publication.md
observed 0a02263f555e5660ef7f73a761227897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:04.742278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044240/publication.txt
observed 49c742c2e63093d71d2791334bbb1bbb...
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.