Pith Number

pith:LJ7PE2Z2

pith:2008:LJ7PE2Z2EX2NFHSVDX6WX2ZANU

not attested not anchored not stored refs pending

Evolution of Magnetic Fields in High Mass Star Formation: SMA dust polarization image of the UCHII region G5.89-0.39

Josep Miquel Girart, Patrick Koch, Paul T. P. Ho, Ramprasad Rao, Shih-Ping Lai, Ya-Wen Tang

arxiv:0812.3444 v1 · 2008-12-18 · 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{LJ7PE2Z2EX2NFHSVDX6WX2ZANU}

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	2026-05-18T04:29:24.373326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a7ef26b3a25f4d29e551dfd6beb206d1427d473759ba38c6b463ab1bfe3bdff

Aliases

arxiv: 0812.3444 · arxiv_version: 0812.3444v1 · doi: 10.48550/arxiv.0812.3444 · pith_short_12: LJ7PE2Z2EX2N · pith_short_16: LJ7PE2Z2EX2NFHSV · pith_short_8: LJ7PE2Z2

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/LJ7PE2Z2EX2NFHSVDX6WX2ZANU \
  | 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: 5a7ef26b3a25f4d29e551dfd6beb206d1427d473759ba38c6b463ab1bfe3bdff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ed19eaddc4a9e0fcbaac8a35ffcd5ec8b1875225932554db8dd75b002014014",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-18T02:04:19Z",
    "title_canon_sha256": "efb5f4a35412d087a9cc03cade19c13e98f9046bc7dd287b5bd56e1bc658798c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.3444",
    "kind": "arxiv",
    "version": 1
  }
}