Pith Number

pith:SDOR7ITL

pith:1997:SDOR7ITL5RGE7YSZB4QP5IRROA

not attested not anchored not stored refs pending

The Cosmic Baryon Budget

C. J. Hogan, M. Fukugita, P. J. E. Peebles

arxiv:astro-ph/9712020 v2 · 1997-12-02 · 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{SDOR7ITL5RGE7YSZB4QP5IRROA}

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.

Cited by

2 papers in Pith

The impact of FRB dispersion measure probability distribution functions on cosmographic estimates

Machine Learning Techniques for Astrophysics and Cosmology: Lyman-$\alpha$ forest

Receipt and verification

First computed	2026-07-04T15:20:40.063417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90dd1fa26bec4c4fe2590f20fea2317011e426291e56f0457cb027c8103f7e8f

Aliases

arxiv: astro-ph/9712020 · arxiv_version: astro-ph/9712020v2 · doi: 10.48550/arxiv.astro-ph/9712020 · pith_short_12: SDOR7ITL5RGE · pith_short_16: SDOR7ITL5RGE7YSZ · pith_short_8: SDOR7ITL

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/SDOR7ITL5RGE7YSZB4QP5IRROA \
  | 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: 90dd1fa26bec4c4fe2590f20fea2317011e426291e56f0457cb027c8103f7e8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a24d34c962e22677fd1f378d613fc37adb16ab5dceef837d7822951c986183aa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-12-02T02:12:57Z",
    "title_canon_sha256": "93cffc07676955f3db48a43d49d270a45cd2a672ef813c8f05392820246fa750"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9712020",
    "kind": "arxiv",
    "version": 2
  }
}