OpenTechnical

OT-2026-000010475

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, vented before 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-2026-000010475) never changes.

Identity and time

Publication numberOT-2026-000010475 · never reused
Internal UUID01a0ae6c-0ee7-7a4f-a406-354498bf995e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010475
StatusPUBLIC

Content hashes

Canonical textda4a6fe5c89566ffeaab38ce3135decefddf9bd75f3d7090f06df27db2cc519b
Markdownec090377120f6a68c16fc1cb4d4d73d2060d684a9fa1c7bb3d92d908cd1e2cf0
PDF
Publication page128acd9909c5f4b0eae8cc2c7918eedb528efb2183eeda6ee8738d5ad5535720
Manifest852beb9899dcc79fa478e52ead9bb21d248d5ee53cd908fefdbd19f6a9473fb6

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
SignatureJS/oQaC6ErVCob31EHo8YSZRZyXE2A3842LuZH1L5k/tnO0pzcnQfYbXg+q+wMtJwdyDXwl9gl305BujIARvCg==
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

2026-09-17T12:14:37.129698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010475
observed 128acd9909c5f4b0eae8cc2c7918eedb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:37.109863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010475/manifest.json
observed 852beb9899dcc79fa478e52ead9bb21d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:37.092173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010475/publication.md
observed ec090377120f6a68c16fc1cb4d4d73d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:37.072748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010475/publication.txt
observed da4a6fe5c89566ffeaab38ce3135dece...
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.