OpenTechnical

OT-2026-000011575

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000011575) never changes.

Identity and time

Publication numberOT-2026-000011575 · never reused
Internal UUID01a0ae6c-8900-7392-b609-c3965cdea0df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011575
StatusPUBLIC

Content hashes

Canonical texteff424a3ec11253ed50b6f90e923cf59205cae1aad7207f4de11d8a62c86ca14
Markdown783737d6edc4e160d4867d328a8bdc164870981c606541ef5b1fa7503935d666
PDF
Publication paged97643726d9c00f5082f0e9236a99bd1168238a8b3f33e685e190c621ae34119
Manifest3b4f02264bcd520a20d9302e181f8a6cfad26349bc2d369ff11f27d84595d81d

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
SignatureQiW00+Gl6m0wH/4ikukwysf4tv+Q6M6I5851bP4pP9GMqC/keF9VeXLvQqIQcdo4EZc3jEqrr8hZbB4CXiB0DQ==
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

2026-09-17T12:13:28.525939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011575
observed d97643726d9c00f5082f0e9236a99bd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:28.509829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011575/manifest.json
observed 3b4f02264bcd520a20d9302e181f8a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:28.492248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011575/publication.md
observed 783737d6edc4e160d4867d328a8bdc16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:28.474728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011575/publication.txt
observed eff424a3ec11253ed50b6f90e923cf59...
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.