Pith Number

pith:T47N2W3C

pith:2003:T47N2W3CDT3NTZW2T3HIUWX5G7

not attested not anchored not stored refs pending

Mapping the Cosmic Web with Ly-alpha Emission

Joop Schaye (IAS), Lars Hernquist (CfA), Steven Furlanetto (Caltech), Volker Springel (MPA)

arxiv:astro-ph/0311006 v1 · 2003-10-31 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T47N2W3CDT3NTZW2T3HIUWX5G7}

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	2026-07-04T16:37:39.571100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f3edd5b621cf6d9e6da9ece8a5afd37f3bf2e2485a7ad9bcd086f15dbeaa476

Aliases

arxiv: astro-ph/0311006 · arxiv_version: astro-ph/0311006v1 · doi: 10.48550/arxiv.astro-ph/0311006 · pith_short_12: T47N2W3CDT3N · pith_short_16: T47N2W3CDT3NTZW2 · pith_short_8: T47N2W3C

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/T47N2W3CDT3NTZW2T3HIUWX5G7 \
  | 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: 9f3edd5b621cf6d9e6da9ece8a5afd37f3bf2e2485a7ad9bcd086f15dbeaa476

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c73039d9710c1f08d3304a6a3895da4a62d0eea7f5efe07582dd064bcc2b3f4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-31T21:18:28Z",
    "title_canon_sha256": "321d8652058f6c2191a214c82bd5438abf4753ddcc83efae71ab323f987dcaaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0311006",
    "kind": "arxiv",
    "version": 1
  }
}