Pith Number

pith:ATDKSJ4J

pith:2015:ATDKSJ4JWIJBUW4GYJY775MQ74

not attested not anchored not stored refs pending

CONCEPT - The COsmological $N$-body CodE in PyThon

Jeppe Dakin

arxiv:1510.07621 v1 · 2015-10-26 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ATDKSJ4JWIJBUW4GYJY775MQ74}

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	2026-05-18T01:29:12.997465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04c6a92789b2121a5b86c271fff590ff364b788c5fa3d5c6bf06f611afe05169

Aliases

arxiv: 1510.07621 · arxiv_version: 1510.07621v1 · doi: 10.48550/arxiv.1510.07621 · pith_short_12: ATDKSJ4JWIJB · pith_short_16: ATDKSJ4JWIJBUW4G · pith_short_8: ATDKSJ4J

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/ATDKSJ4JWIJBUW4GYJY775MQ74 \
  | 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: 04c6a92789b2121a5b86c271fff590ff364b788c5fa3d5c6bf06f611afe05169

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f290a284f410321b38e6ba9bd08d50b57da971e81753269cde4c80904ef9fe9f",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-10-26T13:47:08Z",
    "title_canon_sha256": "d06354622e438352108712b933b104a2848191b200eb8bc36fa6f046877ee729"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07621",
    "kind": "arxiv",
    "version": 1
  }
}