Pith Number

pith:IBVQJM2V

pith:2013:IBVQJM2VZTM3HBNHW3ESXQTGHG

not attested not anchored not stored refs pending

Star formation in Galactic spiral arms and the inter-arm regions

D. J. Eden, J.S. Urquhart, L. K. Morgan, M. A. Thompson, T. J. T. Moore

arxiv:1302.2874 v1 · 2013-02-12 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IBVQJM2VZTM3HBNHW3ESXQTGHG}

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	2026-05-18T01:51:42.094909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

406b04b355ccd9b385a7b6c92bc26639a67887ff93f6406c5296648f40933b42

Aliases

arxiv: 1302.2874 · arxiv_version: 1302.2874v1 · doi: 10.48550/arxiv.1302.2874 · pith_short_12: IBVQJM2VZTM3 · pith_short_16: IBVQJM2VZTM3HBNH · pith_short_8: IBVQJM2V

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/IBVQJM2VZTM3HBNHW3ESXQTGHG \
  | 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: 406b04b355ccd9b385a7b6c92bc26639a67887ff93f6406c5296648f40933b42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f2595ef484a66ca07c26df4a211a4b62894b1a59e36e1e160414d4f377a4d97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-02-12T17:48:12Z",
    "title_canon_sha256": "b8ece5c2e2fe3ff3976392178698d6a674c903400b22e39d59dbca4ad0cc7e22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2874",
    "kind": "arxiv",
    "version": 1
  }
}