Pith Number

pith:KOQERZA7

pith:2018:KOQERZA7SRNUTFPEOUQAVG2OKY

not attested not anchored not stored refs pending

The Maxwell's demon of star clusters

Michela Mapelli

arxiv:1807.07944 v1 · 2018-07-20 · astro-ph.SR · astro-ph.GA · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KOQERZA7SRNUTFPEOUQAVG2OKY}

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	2026-05-18T00:10:14.900679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53a048e41f945b4995e475200a9b4e5610704ad78d249468a22bcffea2a7882c

Aliases

arxiv: 1807.07944 · arxiv_version: 1807.07944v1 · doi: 10.48550/arxiv.1807.07944 · pith_short_12: KOQERZA7SRNU · pith_short_16: KOQERZA7SRNUTFPE · pith_short_8: KOQERZA7

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/KOQERZA7SRNUTFPEOUQAVG2OKY \
  | 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: 53a048e41f945b4995e475200a9b4e5610704ad78d249468a22bcffea2a7882c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2704e7ba7cee3e8908a7c513ad8a3f84993be2bba662d3dbfdc94a74b84a24a2",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-20T17:26:07Z",
    "title_canon_sha256": "6b14d2abaac56acca102beb2452a22bb6a3630142d1c5af530a10d30dbbac456"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07944",
    "kind": "arxiv",
    "version": 1
  }
}