Pith Number

pith:EH4BEQPY

pith:1999:EH4BEQPYVAAJIZTVIX5IIPDRZO

not attested not anchored not stored refs pending

The Role of Helicity in Magnetic Reconnection: 3D Numerical Simulations

C. Richard DeVore, Spiro K. Antiochos

arxiv:astro-ph/9901039 v1 · 1999-01-05 · astro-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{EH4BEQPYVAAJIZTVIX5IIPDRZO}

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	2026-05-18T01:40:13.483383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21f81241f8a80094667545fa843c71cbbe8600565a07d2c036a1f7b83ce28927

Aliases

arxiv: astro-ph/9901039 · arxiv_version: astro-ph/9901039v1 · doi: 10.48550/arxiv.astro-ph/9901039 · pith_short_12: EH4BEQPYVAAJ · pith_short_16: EH4BEQPYVAAJIZTV · pith_short_8: EH4BEQPY

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/EH4BEQPYVAAJIZTVIX5IIPDRZO \
  | 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: 21f81241f8a80094667545fa843c71cbbe8600565a07d2c036a1f7b83ce28927

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c739f8cbd5587da3d57ab4d38681d04d4b439b7f59a98b2afa9ee388920c80ea",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-01-05T16:26:54Z",
    "title_canon_sha256": "74d6e471d86db8606c7de2630c5a08f1f7008adb6a72d1e5df39dd758dd752a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9901039",
    "kind": "arxiv",
    "version": 1
  }
}