Pith Number

pith:3EI4JKHP

pith:2015:3EI4JKHPRSHT7MSUDXFUVIDKDE

not attested not anchored not stored refs pending

Effective-one-body Hamiltonian with next-to-leading order spin-spin coupling

Philippe Jetzer, Simone Balmelli

arxiv:1502.01343 v1 · 2015-02-04 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3EI4JKHPRSHT7MSUDXFUVIDKDE}

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	2026-05-18T01:41:04.783976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d911c4a8ef8c8f3fb2541dcb4aa06a192d8ce9770d3fd374e5e4804b62c6ad6d

Aliases

arxiv: 1502.01343 · arxiv_version: 1502.01343v1 · doi: 10.48550/arxiv.1502.01343 · pith_short_12: 3EI4JKHPRSHT · pith_short_16: 3EI4JKHPRSHT7MSU · pith_short_8: 3EI4JKHP

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/3EI4JKHPRSHT7MSUDXFUVIDKDE \
  | 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: d911c4a8ef8c8f3fb2541dcb4aa06a192d8ce9770d3fd374e5e4804b62c6ad6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acb2e5ee96f446797d79a5a2e050d2d41d022f94e98bab0770a3da109acc1e4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-02-04T21:00:10Z",
    "title_canon_sha256": "d6f48e48e13fe87891d89fa7329aba77a84449c3551cf7377e82810f26e91312"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01343",
    "kind": "arxiv",
    "version": 1
  }
}