Pith Number

pith:FI3LGK7A

pith:2009:FI3LGK7AIDF2BQ3XMUASW53776

not attested not anchored not stored refs pending

Natural Fueling of a Tokamak Fusion Reactor

Francis W. Perkins, Scott E. Parker, Weigang Wan, Yang Chen

arxiv:0912.3550 v1 · 2009-12-17 · physics.plasm-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FI3LGK7AIDF2BQ3XMUASW53776}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:10:15.810867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a36b32be040cba0c37765012b777fffa15221df50bbbdfb39d6b6d92d828022

Aliases

arxiv: 0912.3550 · arxiv_version: 0912.3550v1 · doi: 10.48550/arxiv.0912.3550 · pith_short_12: FI3LGK7AIDF2 · pith_short_16: FI3LGK7AIDF2BQ3X · pith_short_8: FI3LGK7A

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FI3LGK7AIDF2BQ3XMUASW53776 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2a36b32be040cba0c37765012b777fffa15221df50bbbdfb39d6b6d92d828022

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76d73fa927de35bdaa668a41fb4054c3faf7993fb0325188be8054321e353191",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2009-12-17T22:57:58Z",
    "title_canon_sha256": "04b9924013424d7ca88f79880042d20f37ddf7107856ee6673b72d39c8807ac2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3550",
    "kind": "arxiv",
    "version": 1
  }
}