Pith Number

pith:6WNJQP7I

pith:2012:6WNJQP7IEQC67SHE2M3VOKRE6V

not attested not anchored not stored refs pending

The geometry effects of an expanding Universe on the detection of cool neutral gas at high redshift

S. J. Curran

arxiv:1202.5356 v2 · 2012-02-24 · 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{6WNJQP7IEQC67SHE2M3VOKRE6V}

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	2026-05-18T01:58:20.038961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f59a983fe82405efc8e4d337572a24f57a06e9391fad185eb6e686478dc00972

Aliases

arxiv: 1202.5356 · arxiv_version: 1202.5356v2 · doi: 10.48550/arxiv.1202.5356 · pith_short_12: 6WNJQP7IEQC6 · pith_short_16: 6WNJQP7IEQC67SHE · pith_short_8: 6WNJQP7I

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/6WNJQP7IEQC67SHE2M3VOKRE6V \
  | 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: f59a983fe82405efc8e4d337572a24f57a06e9391fad185eb6e686478dc00972

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8108a49d776019a48a6bc8f46f5b4f0974504b60c65e862b37d631b960d641f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-24T01:06:59Z",
    "title_canon_sha256": "aa8b64e2940915feac273f287776712c38e07cf5a484b650d49d8a58d6cebfdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5356",
    "kind": "arxiv",
    "version": 2
  }
}