Pith Number

pith:2GWSX3TP

pith:2017:2GWSX3TPOXIA76ZLH4SAEZVNQD

not attested not anchored not stored refs pending

JANUS: A bit-wise reversible integrator for N-body dynamics

Daniel Tamayo, Hanno Rein

arxiv:1704.07715 v2 · 2017-04-25 · astro-ph.IM · astro-ph.CO · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2GWSX3TPOXIA76ZLH4SAEZVNQD}

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	2026-05-18T00:29:30.689067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1ad2bee6f75d00ffb2b3f240266ad80c789aa9a68b4f8fb8b2556ebcb24b3ac

Aliases

arxiv: 1704.07715 · arxiv_version: 1704.07715v2 · doi: 10.48550/arxiv.1704.07715 · pith_short_12: 2GWSX3TPOXIA · pith_short_16: 2GWSX3TPOXIA76ZL · pith_short_8: 2GWSX3TP

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/2GWSX3TPOXIA76ZLH4SAEZVNQD \
  | 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: d1ad2bee6f75d00ffb2b3f240266ad80c789aa9a68b4f8fb8b2556ebcb24b3ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a0971a74aaade46cebff1ffe038a7d828dec6d8a70df39e6361034c9e5b3c09",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-04-25T14:32:24Z",
    "title_canon_sha256": "a1cdafe0ccd3bfb3562c7fe0c4f793b8d615516d6cc651444c3fe1b0ea583568"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07715",
    "kind": "arxiv",
    "version": 2
  }
}