Pith Number

pith:NQKMFOOY

pith:2012:NQKMFOOYT36PJ7NITDHHUYWAVW

not attested not anchored not stored refs pending

Comparison of metrics obtained with analytic perturbation theory and a numerical code

Alfred Molina, Eduardo Ruiz, Javier E. Cuch\'i

arxiv:1202.6676 v1 · 2012-02-29 · 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{NQKMFOOYT36PJ7NITDHHUYWAVW}

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	2026-05-18T01:58:18.186006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c14c2b9d89efcf4fda898ce7a62c0ad8e7a2625853f5564a2b79fe7b26778c3

Aliases

arxiv: 1202.6676 · arxiv_version: 1202.6676v1 · doi: 10.48550/arxiv.1202.6676 · pith_short_12: NQKMFOOYT36P · pith_short_16: NQKMFOOYT36PJ7NI · pith_short_8: NQKMFOOY

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/NQKMFOOYT36PJ7NITDHHUYWAVW \
  | 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: 6c14c2b9d89efcf4fda898ce7a62c0ad8e7a2625853f5564a2b79fe7b26778c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec949f5258eda3c456295e7700300c12f3547a4ed118d7957061182cc825c579",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-02-29T20:36:37Z",
    "title_canon_sha256": "7d5846013e74a9c02f0e71361bf43179e8c92247be34c46f72b561b7fcef4c93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6676",
    "kind": "arxiv",
    "version": 1
  }
}