OpenTechnical

OT-2026-000039550

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000039550) never changes.

Identity and time

Publication numberOT-2026-000039550 · never reused
Internal UUID01a0ae78-d8d3-7e0c-a20e-7bd3e0fd261f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039550
StatusPUBLIC

Content hashes

Canonical textbc79556542b383a04fa5b4ce98c728eef7b0c02391a98bd17d0daa839758d7cb
Markdown1f180e79cbd82f7a52aae75634c6853a6385c65f552d566a404ebc25e693092c
PDF
Publication page0591e7fd74bb25787098028935040f4b70062ea157c691c6131c36401a3df956
Manifestca30f4e1c14ee42f816d9ad2e7cef3def38ced349f69ace404bb218ff31457db

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
Signature6rTksRXJUXDTCUKWKe1+iPaJBYmpUDtehQyLGDDNRHDgAyVcZOpn+5LaLqeJMkLtfZQMQ71wBxrjvZOTNA7BAw==
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

2026-09-17T11:19:42.267778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039550
observed 0591e7fd74bb25787098028935040f4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.249779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039550/manifest.json
observed ca30f4e1c14ee42f816d9ad2e7cef3de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.231248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039550/publication.md
observed 1f180e79cbd82f7a52aae75634c6853a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.211064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039550/publication.txt
observed bc79556542b383a04fa5b4ce98c728ee...
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.