Pith Number

pith:WHXQNYWL

pith:2013:WHXQNYWLEA6HF53EKLXEKRAY3I

not attested not anchored not stored refs pending

Extended Lyman-alpha emission from a high-z DLA at z=3.115

Jun Toshikawa, Katsuya Okoshi, Masafusa Onoue, Nobunari Kashikawa, Shogo Ishikawa, Takashi Hattori, Toru Misawa, Yosuke Minowa

arxiv:1311.5534 v2 · 2013-11-21 · 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{WHXQNYWLEA6HF53EKLXEKRAY3I}

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	2026-05-18T01:46:07.171255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1ef06e2cb203c72f76452ee454418da3c15cdb1c350a7071677282ff0055133

Aliases

arxiv: 1311.5534 · arxiv_version: 1311.5534v2 · doi: 10.48550/arxiv.1311.5534 · pith_short_12: WHXQNYWLEA6H · pith_short_16: WHXQNYWLEA6HF53E · pith_short_8: WHXQNYWL

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/WHXQNYWLEA6HF53EKLXEKRAY3I \
  | 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: b1ef06e2cb203c72f76452ee454418da3c15cdb1c350a7071677282ff0055133

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f4914c51796e4f58a932f85caf2151cba35bf0516841e200cf48985aff2deb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-11-21T20:00:09Z",
    "title_canon_sha256": "4df69c54817c4345382f8448503453cb9aa4ef30b75d5d66b52c9480d3945952"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5534",
    "kind": "arxiv",
    "version": 2
  }
}