Pith Number

pith:UWZSTQW7

pith:2009:UWZSTQW7JM442T57IDNYPBCQJA

not attested not anchored not stored refs pending

Magnetic connection and current distribution in black hole accretion discs

Cheng-Xuan Zhao, Ding-Xiong Wang, Zhao-Ming Gan

arxiv:0905.0725 v1 · 2009-05-06 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UWZSTQW7JM442T57IDNYPBCQJA}

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	2026-05-18T02:13:47.293817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5b329c2df4b39cd4fbf40db8784504836d8e4ca5f4337246f21ebb30fd09678

Aliases

arxiv: 0905.0725 · arxiv_version: 0905.0725v1 · doi: 10.48550/arxiv.0905.0725 · pith_short_12: UWZSTQW7JM44 · pith_short_16: UWZSTQW7JM442T57 · pith_short_8: UWZSTQW7

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/UWZSTQW7JM442T57IDNYPBCQJA \
  | 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: a5b329c2df4b39cd4fbf40db8784504836d8e4ca5f4337246f21ebb30fd09678

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba4c65ba4e1320138b92aa59973f5d7ce31e3897f10107e31c22d05e7166d720",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-05-06T01:15:12Z",
    "title_canon_sha256": "f7d0e20c0a88286868d2822268d4a98d07a6b945cf3553133682353a4f7a6e3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0725",
    "kind": "arxiv",
    "version": 1
  }
}