Pith Number

pith:4H2EL3T5

pith:2013:4H2EL3T5R6FQOC7TFKDGNW4R4H

not attested not anchored not stored refs pending

The two-nucleon problem in EFT reformulated: Pion and nucleon masses as soft and hard scales

E. Epelbaum, J. Gegelia

arxiv:1301.6134 v1 · 2013-01-25 · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4H2EL3T5R6FQOC7TFKDGNW4R4H}

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	2026-05-18T03:35:26.983211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1f445ee7d8f8b070bf32a8666db91e1d56566d47ba929d0b9cf492216d03e84

Aliases

arxiv: 1301.6134 · arxiv_version: 1301.6134v1 · doi: 10.48550/arxiv.1301.6134 · pith_short_12: 4H2EL3T5R6FQ · pith_short_16: 4H2EL3T5R6FQOC7T · pith_short_8: 4H2EL3T5

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/4H2EL3T5R6FQOC7TFKDGNW4R4H \
  | 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: e1f445ee7d8f8b070bf32a8666db91e1d56566d47ba929d0b9cf492216d03e84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a637502046e65b3bb23b6a6325c517b68747df47f6d99c9c92ee431701627f78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2013-01-25T19:22:39Z",
    "title_canon_sha256": "7b7cc112cadbf428e7517410c605c42d0bdbdefdd2dea0b5d7c1f5565a17b3d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6134",
    "kind": "arxiv",
    "version": 1
  }
}