Pith Number

pith:53OBCMG3

pith:2001:53OBCMG3DKYC6TIH6BR3WZ6OYX

not attested not anchored not stored refs pending

A New Approach to the Calculation of Some Properties of Vacuum and $\pi$ and $\sigma$ Mesons

Chaohsi Chang, Engang Zhao, Hongshi Zong, Xiaofu L\"u, Xiaohua Wu

arxiv:hep-ph/0109112 v1 · 2001-09-13 · 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{53OBCMG3DKYC6TIH6BR3WZ6OYX}

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	2026-05-18T01:09:08.207751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eedc1130db1ab02f4d07f063bb67cec5c362359d1d6f676a049c97fcc1c01645

Aliases

arxiv: hep-ph/0109112 · arxiv_version: hep-ph/0109112v1 · doi: 10.48550/arxiv.hep-ph/0109112 · pith_short_12: 53OBCMG3DKYC · pith_short_16: 53OBCMG3DKYC6TIH · pith_short_8: 53OBCMG3

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/53OBCMG3DKYC6TIH6BR3WZ6OYX \
  | 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: eedc1130db1ab02f4d07f063bb67cec5c362359d1d6f676a049c97fcc1c01645

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a55bfd6f8efee74fe6957d7664420f88a41863f90aab01a6b8a53f3c222f1e4a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2001-09-13T14:10:22Z",
    "title_canon_sha256": "181dcf4284650d3efe43ae58d706dd2f32076ac1d0bd96b51cfe0e391bfed047"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0109112",
    "kind": "arxiv",
    "version": 1
  }
}