Pith Number

pith:Q37ZBUP2

pith:2012:Q37ZBUP2F5TS6OAC56NOOKIRSB

not attested not anchored not stored refs pending

Hot Gas, Cold Gas and Sub-Halos in a Lyman-alpha Blob at Redshift 2.38

Bruce E. Woodgate, Claudia Scarlata, Gerard M. Williger, Harry Teplitz, James W. Colbert, Michael A. Dopita, Paul. J. Francis, Povilas Palunas

arxiv:1209.3540 v1 · 2012-09-17 · 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{Q37ZBUP2F5TS6OAC56NOOKIRSB}

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	2026-05-18T01:54:27.529628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86ff90d1fa2f672f3802ef9ae72911907ae0c960ef739b00a27f14f4fbc9ef32

Aliases

arxiv: 1209.3540 · arxiv_version: 1209.3540v1 · doi: 10.48550/arxiv.1209.3540 · pith_short_12: Q37ZBUP2F5TS · pith_short_16: Q37ZBUP2F5TS6OAC · pith_short_8: Q37ZBUP2

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/Q37ZBUP2F5TS6OAC56NOOKIRSB \
  | 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: 86ff90d1fa2f672f3802ef9ae72911907ae0c960ef739b00a27f14f4fbc9ef32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6406c9497a6d1cd342d5434474fff8c90ef108eb5e3a80b068d609695ea49ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-17T01:45:21Z",
    "title_canon_sha256": "1f1fa06b93c9d16bd18443c0a824622529a1ceaa46f0c69bd76cf02c2df508de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3540",
    "kind": "arxiv",
    "version": 1
  }
}