Pith Number

pith:4QZNQVDS

pith:2010:4QZNQVDSC77KZIODHODKDWIPJJ

not attested not anchored not stored refs pending

Evidence for Spatially Compact Lyman Alpha Emission in z=3.1 Lyman-Alpha-Emitting Galaxies

Ana Matkovic, Caryl Gronwall, Eric Gawiser, John J. Feldmeier, Nicholas A. Bond, Robin Ciardullo

arxiv:1002.2432 v3 · 2010-02-11 · 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{4QZNQVDSC77KZIODHODKDWIPJJ}

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	2026-05-18T02:09:09.131515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e432d8547217feaca1c33b86a1d90f4a4393c100e78a2748b1f81b1a29e5afcf

Aliases

arxiv: 1002.2432 · arxiv_version: 1002.2432v3 · doi: 10.48550/arxiv.1002.2432 · pith_short_12: 4QZNQVDSC77K · pith_short_16: 4QZNQVDSC77KZIOD · pith_short_8: 4QZNQVDS

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/4QZNQVDSC77KZIODHODKDWIPJJ \
  | 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: e432d8547217feaca1c33b86a1d90f4a4393c100e78a2748b1f81b1a29e5afcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d028e759a091a68a80af945f7af4337a491202b09d6309b5780d09e02315fc9",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-11T21:02:48Z",
    "title_canon_sha256": "86231c2712794cdfa581e284c5fe2046255262a87d3bb1c9b70e4e84d5f73cef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2432",
    "kind": "arxiv",
    "version": 3
  }
}