Pith Number

pith:FBPDXD4Y

pith:2009:FBPDXD4YVHM76KQJSO66CFMWM3

not attested not anchored not stored refs pending

Real-Time Equilibrium Reconstruction in a Tokamak

Blaise Faugeras (JAD), C\'edric Boulbe (JAD), Jacques Blum (JAD)

arxiv:0909.1761 v1 · 2009-09-09 · math.NA · cs.NA · 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{FBPDXD4YVHM76KQJSO66CFMWM3}

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	2026-06-03T23:06:28.879859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

285e3b8f98a9d9ff2a0993bde1159666f307138b533fcb95be8b5c94171eee5b

Aliases

arxiv: 0909.1761 · arxiv_version: 0909.1761v1 · doi: 10.48550/arxiv.0909.1761 · pith_short_12: FBPDXD4YVHM7 · pith_short_16: FBPDXD4YVHM76KQJ · pith_short_8: FBPDXD4Y

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/FBPDXD4YVHM76KQJSO66CFMWM3 \
  | 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: 285e3b8f98a9d9ff2a0993bde1159666f307138b533fcb95be8b5c94171eee5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "519ca83f54767b0ce3c4abe9d55f0c255faa478e29209e45a270ad5136cf31f7",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-09-09T18:06:16Z",
    "title_canon_sha256": "4fa347bfb0650079c3dd84c35a1662ffddfcf6398e3a71af89919121afcb12c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1761",
    "kind": "arxiv",
    "version": 1
  }
}