Pith Number

pith:JY2LGALG

pith:2015:JY2LGALG3IJKNJKJF5MXWDY3MI

not attested not anchored not stored refs pending

Magnetic Field Amplification via Protostellar Disc Dynamos

Alexander V. Koldoba, Galina V. Ustyugova, Ira Wasserman, Richard V.E. Lovelace, Sergei Dyda

arxiv:1507.08702 v2 · 2015-07-30 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JY2LGALG3IJKNJKJF5MXWDY3MI}

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	2026-05-18T00:22:11.369854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e34b30166da12a6a5492f597b0f1b620fc969d810e6af5ff7ee28ecc9fb8799

Aliases

arxiv: 1507.08702 · arxiv_version: 1507.08702v2 · doi: 10.48550/arxiv.1507.08702 · pith_short_12: JY2LGALG3IJK · pith_short_16: JY2LGALG3IJKNJKJ · pith_short_8: JY2LGALG

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/JY2LGALG3IJKNJKJF5MXWDY3MI \
  | 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: 4e34b30166da12a6a5492f597b0f1b620fc969d810e6af5ff7ee28ecc9fb8799

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83e416d83aaf8356025eb4f5825a20123f1aa71f6643d75d7f2a5ea44a12fe52",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-07-30T22:25:52Z",
    "title_canon_sha256": "441a720ac7a62b5edd16c3ec226f29c2382832137cbf2f6b4aceefa17a92cc58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08702",
    "kind": "arxiv",
    "version": 2
  }
}