Pith Number

pith:P7EEB6WG

pith:2008:P7EEB6WG4FRLOYKPU7RCQ55EPH

not attested not anchored not stored refs pending

An ideal mass assignment scheme for measuring the Power Spectrum with FFTs

Lei Liu, Longlong Feng, Volker Springel, Weiguang Cui, Xiaohu Yang, Yu Wang

arxiv:0804.0070 v2 · 2008-04-01 · 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{P7EEB6WG4FRLOYKPU7RCQ55EPH}

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	2026-07-04T17:10:03.197261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fc840fac6e162b7614fa7e22877a479fa34dba6dcfc9c4e76fe80f463c3946b

Aliases

arxiv: 0804.0070 · arxiv_version: 0804.0070v2 · doi: 10.48550/arxiv.0804.0070 · pith_short_12: P7EEB6WG4FRL · pith_short_16: P7EEB6WG4FRLOYKP · pith_short_8: P7EEB6WG

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/P7EEB6WG4FRLOYKPU7RCQ55EPH \
  | 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: 7fc840fac6e162b7614fa7e22877a479fa34dba6dcfc9c4e76fe80f463c3946b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a9905c9af48aa2c3b046a7d880e671d377c6f56f315068b94597aef3cd18a67",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-04-01T14:02:18Z",
    "title_canon_sha256": "08a4248fc6df18b914cdc1cc16ad5cb165fead315583ce4c1f4c24ed7a94db72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.0070",
    "kind": "arxiv",
    "version": 2
  }
}