Pith. sign in
Pith Number

pith:PIZPVWER

pith:1996:PIZPVWERUC3KB6LGJR5FUFOFDC
not attested not anchored not stored refs pending

Intergalactic Helium Absorption in Cold Dark Matter Models

David H. Weinberg (Ohio State), Lars Hernquist (UC Santa Cruz), Neal Katz (U of Washington, Rupert A. C. Croft, U Mass)

arxiv:astro-ph/9611053 v2 · 1996-11-07 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PIZPVWERUC3KB6LGJR5FUFOFDC}

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

1 paper in Pith

Receipt and verification
First computed 2026-07-04T16:00:18.321961Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7a32fad891a0b6a0f9664c7a5a15c518b7aee8e06d9d2de0ed7582bdb2ff4a76

Aliases

arxiv: astro-ph/9611053 · arxiv_version: astro-ph/9611053v2 · doi: 10.48550/arxiv.astro-ph/9611053 · pith_short_12: PIZPVWERUC3K · pith_short_16: PIZPVWERUC3KB6LG · pith_short_8: PIZPVWER
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PIZPVWERUC3KB6LGJR5FUFOFDC \
  | 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: 7a32fad891a0b6a0f9664c7a5a15c518b7aee8e06d9d2de0ed7582bdb2ff4a76
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7c54124972dcf6bcf78e8ab216ff72ed69988dc357cb599e3cc91ef4a70caa45",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-11-07T03:58:13Z",
    "title_canon_sha256": "a04c78078033597bebc3cab55602baa28347e7cb7cb1e21f3a0bc07047e51068"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9611053",
    "kind": "arxiv",
    "version": 2
  }
}