Pith Number

pith:57PRQAGD

pith:2015:57PRQAGD4KPC6B7J2INZ3H3KAJ

not attested not anchored not stored refs pending

Tokamak elongation: how much is too much? II Numerical results

Antoine Cerfon, Jeffrey P. Freidberg, Jungpyo Lee

arxiv:1508.06664 v1 · 2015-08-26 · 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{57PRQAGD4KPC6B7J2INZ3H3KAJ}

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	2026-05-18T01:22:36.746912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efdf1800c3e29e2f07e9d21b9d9f6a024ef052aea717f3e7a6d7e3735e70da57

Aliases

arxiv: 1508.06664 · arxiv_version: 1508.06664v1 · doi: 10.48550/arxiv.1508.06664 · pith_short_12: 57PRQAGD4KPC · pith_short_16: 57PRQAGD4KPC6B7J · pith_short_8: 57PRQAGD

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/57PRQAGD4KPC6B7J2INZ3H3KAJ \
  | 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: efdf1800c3e29e2f07e9d21b9d9f6a024ef052aea717f3e7a6d7e3735e70da57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ef2737adb82056dd341578a8e60034cd215a555be5a6b173d46c1b71694daa0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2015-08-26T21:00:32Z",
    "title_canon_sha256": "a337a90143805ee56ed518442872c14573467235e719a7cbbce1cbf5fb853fc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06664",
    "kind": "arxiv",
    "version": 1
  }
}