Pith Number

pith:QJYGJF5M

pith:1997:QJYGJF5M5C3ZNEHKIHR6FKQP6R

not attested not anchored not stored refs pending

Merging History Trees of Dark Matter Haloes: a Tool for Exploring Galaxy Formation Models

(2) Mt Stromlo, (3) European Southern Observatory), Boudewijn F. Roukema (1), Brigitte Rocca-Volmerange (1) ((1) Institut d'Astrophysique de Paris, Bruce A. Peterson (2), Peter J. Quinn (3), Siding Spring Observatories

arxiv:astro-ph/9707294 v1 · 1997-07-26 · 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{QJYGJF5M5C3ZNEHKIHR6FKQP6R}

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	2026-05-18T01:40:16.971119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82706497ace8b79690ea41e3e2aa0ff466e1618a284e78ae7116e9bc3a70fcdc

Aliases

arxiv: astro-ph/9707294 · arxiv_version: astro-ph/9707294v1 · doi: 10.48550/arxiv.astro-ph/9707294 · pith_short_12: QJYGJF5M5C3Z · pith_short_16: QJYGJF5M5C3ZNEHK · pith_short_8: QJYGJF5M

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/QJYGJF5M5C3ZNEHKIHR6FKQP6R \
  | 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: 82706497ace8b79690ea41e3e2aa0ff466e1618a284e78ae7116e9bc3a70fcdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c5f068af84d62580bedcb1c872bf0228796b2958a483135f57eb541d6d45676",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-07-26T22:01:38Z",
    "title_canon_sha256": "5e672e4b979f45516e578a19deff1e64fe59a72bf85f562e39cd8a83d5f13ea7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9707294",
    "kind": "arxiv",
    "version": 1
  }
}