Pith Number

pith:2D4AGEW4

pith:2007:2D4AGEW4CRFLK3JMZIC2EQ3PFO

not attested not anchored not stored refs pending

Dynamics of galactic nuclei: Mass segregation and collisions

Cambridge), James E. Dale (Lund Observatory), Marc Freitag (IoA, Melvyn B. Davies (Lund Observatory), Ross P. Church (Monash University)

arxiv:0710.0490 v1 · 2007-10-02 · 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{2D4AGEW4CRFLK3JMZIC2EQ3PFO}

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	2026-07-04T17:05:57.924524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0f80312dc144ab56d2cca05a2436f2baf2d9107235b389c306b5117a0d9c8ef

Aliases

arxiv: 0710.0490 · arxiv_version: 0710.0490v1 · doi: 10.48550/arxiv.0710.0490 · pith_short_12: 2D4AGEW4CRFL · pith_short_16: 2D4AGEW4CRFLK3JM · pith_short_8: 2D4AGEW4

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/2D4AGEW4CRFLK3JMZIC2EQ3PFO \
  | 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: d0f80312dc144ab56d2cca05a2436f2baf2d9107235b389c306b5117a0d9c8ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b59d156eb92f463450d09c95dd68387547a76c387e622c6339bfebc421f5c9a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-10-02T10:56:37Z",
    "title_canon_sha256": "f8eecd0ce7d3a3d164acdd6172d90f3a568cd301f79b2f9657dbe37a72ea7c1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.0490",
    "kind": "arxiv",
    "version": 1
  }
}