Pith Number

pith:BWLRGXX3

pith:2011:BWLRGXX3VMSNRQKTOP4VNLD2DT

not attested not anchored not stored refs pending

The Resolved NIR Extragalactic Background

A. J. Barger, L. L. Cowie, R. C. Keenan, W.-H. Wang

arxiv:1102.2428 v2 · 2011-02-11 · 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{BWLRGXX3VMSNRQKTOP4VNLD2DT}

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	2026-05-18T04:22:00.581820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d97135efbab24d8c15373f956ac7a1cf2ca63f364529f80f6bbd2a0d844810d

Aliases

arxiv: 1102.2428 · arxiv_version: 1102.2428v2 · doi: 10.48550/arxiv.1102.2428 · pith_short_12: BWLRGXX3VMSN · pith_short_16: BWLRGXX3VMSNRQKT · pith_short_8: BWLRGXX3

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/BWLRGXX3VMSNRQKTOP4VNLD2DT \
  | 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: 0d97135efbab24d8c15373f956ac7a1cf2ca63f364529f80f6bbd2a0d844810d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21e40051243b75b540562104421a25d6ca5ff13a3f3716ad4d3bb4c424ce4719",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-11T20:39:03Z",
    "title_canon_sha256": "4ccff722192451c406fcaca89641b71a8d06121464c5b9b0bb88d5ae05aea36c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2428",
    "kind": "arxiv",
    "version": 2
  }
}