Pith Number

pith:3MAH4OWV

pith:2013:3MAH4OWVP6OJWS3YOSRLL3PRGC

not attested not anchored not stored refs pending

Extinction and Dust Geometry in M83 HII Regions: A Hubble Space Telescope/WFC3 Study

Bradley Whitmore (STScI), Daniela Calzetti (UMass), Guilin Liu (UMass, Hwihyun Kim (ASU), Jay A. Frogel (Galaxies Unlimited), JHU), NOAO), Robert W. O'Connell (UVa), Rupali Chandar (Toledo), Seth H. Cohen (ASU), Sungryong Hong (UMass, William P. Blair (JHU)

arxiv:1311.0871 v3 · 2013-11-04 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3MAH4OWVP6OJWS3YOSRLL3PRGC}

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	2026-05-18T01:46:39.077445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db007e3ad57f9c9b4b7874a2b5edf130b283f51b13116e27b449690e811d48d6

Aliases

arxiv: 1311.0871 · arxiv_version: 1311.0871v3 · doi: 10.48550/arxiv.1311.0871 · pith_short_12: 3MAH4OWVP6OJ · pith_short_16: 3MAH4OWVP6OJWS3Y · pith_short_8: 3MAH4OWV

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/3MAH4OWVP6OJWS3YOSRLL3PRGC \
  | 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: db007e3ad57f9c9b4b7874a2b5edf130b283f51b13116e27b449690e811d48d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b092fdc3bced7d0d9f66ef61c4749644deb7d1b3ee2e35560d7c0fe3c35afc4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-11-04T21:00:01Z",
    "title_canon_sha256": "6736c4da95b622d6771cf1708f5cb316f7730c13be9fead76df4654f904ea40c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0871",
    "kind": "arxiv",
    "version": 3
  }
}