Pith Number

pith:474LBM7J

pith:2012:474LBM7JW4DDHKBEEAVHSET4HT

not attested not anchored not stored refs pending

The star formation history of the Sculptor Dwarf Irregular Galaxy

(2) University of Tasmania), Andrew A. Cole (2) ((1) National Observatory of Athens, Sophia Lianou (1)

arxiv:1211.0137 v1 · 2012-11-01 · astro-ph.CO · 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{474LBM7JW4DDHKBEEAVHSET4HT}

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	2026-05-18T03:41:43.070729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7f8b0b3e9b70633a824202a79127c3ccf962e769923190f1a3b2807e4f7aa15

Aliases

arxiv: 1211.0137 · arxiv_version: 1211.0137v1 · doi: 10.48550/arxiv.1211.0137 · pith_short_12: 474LBM7JW4DD · pith_short_16: 474LBM7JW4DDHKBE · pith_short_8: 474LBM7J

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/474LBM7JW4DDHKBEEAVHSET4HT \
  | 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: e7f8b0b3e9b70633a824202a79127c3ccf962e769923190f1a3b2807e4f7aa15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01d85932ebf1eff462837684e312332a84f298f5e1d3a661e0b5090493eb33f0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-01T10:11:22Z",
    "title_canon_sha256": "2bd568e354e2430025eb5bf0c799991a20f2fbc04dae7710b835a19fb75cb320"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0137",
    "kind": "arxiv",
    "version": 1
  }
}