Pith Number

pith:PAFJQVZE

pith:2011:PAFJQVZEMB54PGR2R44BPB2KCI

not attested not anchored not stored refs pending

The Role of the Roper in Chiral Perturbation Theory

Bingwei Long, U. van Kolck

arxiv:1105.2764 v2 · 2011-05-13 · nucl-th · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PAFJQVZEMB54PGR2R44BPB2KCI}

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	2026-05-18T04:10:48.153757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

780a985724607bc79a3a8f3817874a12394a73f1ee4ba8f529bd1ea1f2a5068a

Aliases

arxiv: 1105.2764 · arxiv_version: 1105.2764v2 · doi: 10.48550/arxiv.1105.2764 · pith_short_12: PAFJQVZEMB54 · pith_short_16: PAFJQVZEMB54PGR2 · pith_short_8: PAFJQVZE

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/PAFJQVZEMB54PGR2R44BPB2KCI \
  | 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: 780a985724607bc79a3a8f3817874a12394a73f1ee4ba8f529bd1ea1f2a5068a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47891b27b5030613606e88c782a14494b6d8e24f64cea7a7acd5f565e282c9f6",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2011-05-13T16:14:47Z",
    "title_canon_sha256": "458b824491d95b9b12f692277da27b823ef22ab79d7f813a59d1e46e3eb7186a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2764",
    "kind": "arxiv",
    "version": 2
  }
}