Pith Number

pith:T4HZDPLJ

pith:2015:T4HZDPLJWHR7WW23YQYS7UFFZL

not attested not anchored not stored refs pending

On the Segregation of Dark Matter Substructure

Duncan Campbell, Fangzhou Jiang, Frank C. van den Bosch, Peter Behroozi

arxiv:1510.01586 v1 · 2015-10-06 · astro-ph.CO · astro-ph.GA

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

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	2026-05-18T01:27:22.195912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f0f91bd69b1e3fb5b5bc4312fd0a5cad0a0419490bd23266b770bee7a9b3a4a

Aliases

arxiv: 1510.01586 · arxiv_version: 1510.01586v1 · doi: 10.48550/arxiv.1510.01586 · pith_short_12: T4HZDPLJWHR7 · pith_short_16: T4HZDPLJWHR7WW23 · pith_short_8: T4HZDPLJ

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/T4HZDPLJWHR7WW23YQYS7UFFZL \
  | 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: 9f0f91bd69b1e3fb5b5bc4312fd0a5cad0a0419490bd23266b770bee7a9b3a4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b44df99f3d1cfde6759eca2764be8230824baf19046f82f4c46e896a0f12b44f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-10-06T14:21:55Z",
    "title_canon_sha256": "f9c4b536dfed11ebe785f35dce5ed1197a7d108e13d7ed0f655bed39ae80a52d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01586",
    "kind": "arxiv",
    "version": 1
  }
}