pith. sign in
Pith Number

pith:7CFFHTGS

pith:1993:7CFFHTGSGG5MMFAG3PNBKI2DUT
not attested not anchored not stored refs pending

Introduction to Chiral Perturbation Theory

A. Pich

arxiv:hep-ph/9308351 v1 · 1993-08-27 · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7CFFHTGSGG5MMFAG3PNBKI2DUT}

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 2026-05-18T01:39:01.813158Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f88a53ccd231bac61406dbda152343a4fba797199a0975e983b5d276a5b00421

Aliases

arxiv: hep-ph/9308351 · arxiv_version: hep-ph/9308351v1 · doi: 10.48550/arxiv.hep-ph/9308351 · pith_short_12: 7CFFHTGSGG5M · pith_short_16: 7CFFHTGSGG5MMFAG · pith_short_8: 7CFFHTGS
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7CFFHTGSGG5MMFAG3PNBKI2DUT \
  | 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: f88a53ccd231bac61406dbda152343a4fba797199a0975e983b5d276a5b00421
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ab9d7215a8c5f38772c9af22bd944fee97a12d3e4d1bf095a084ae8e461c5654",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1993-08-27T16:23:17Z",
    "title_canon_sha256": "b939300d1c9dca3739c99ca31f92e2d35e7e21f84bdaca76e5427587fba4f343"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9308351",
    "kind": "arxiv",
    "version": 1
  }
}