Pith Number

pith:NEDDOLNZ

pith:2013:NEDDOLNZVO7LKPDX2ICVW7N4ZS

not attested not anchored not stored refs pending

New Constraints on the Escape of Ionizing Photons From Starburst Galaxies Using Ionization-Parameter Mapping

(2) U. Maryland, (3) Kavli Institute MIT), Jordan Zastrow (1), Michael McDonald (3) ((1) U. Michigan, M.S. Oey (1), Sylvain Veilleux (2)

arxiv:1311.2227 v2 · 2013-11-09 · 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{NEDDOLNZVO7LKPDX2ICVW7N4ZS}

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	2026-05-18T01:46:32.595021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6906372db9abbeb53c77d2055b7dbccc8a6a0749f28bce9505301d55495cc564

Aliases

arxiv: 1311.2227 · arxiv_version: 1311.2227v2 · doi: 10.48550/arxiv.1311.2227 · pith_short_12: NEDDOLNZVO7L · pith_short_16: NEDDOLNZVO7LKPDX · pith_short_8: NEDDOLNZ

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/NEDDOLNZVO7LKPDX2ICVW7N4ZS \
  | 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: 6906372db9abbeb53c77d2055b7dbccc8a6a0749f28bce9505301d55495cc564

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27ab8dc89e44bef0dd0141c5610b45cb2dcd21fc226ea6dbd006287692d3804a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-11-09T22:32:09Z",
    "title_canon_sha256": "8311dbb1e8e5db003644a838048282ff03aba48f3b948772807936e27ce43620"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2227",
    "kind": "arxiv",
    "version": 2
  }
}