pith. sign in
Pith Number

pith:FAA4PN6G

pith:2014:FAA4PN6GLVMP2BCDWFK56WBBR3
not attested not anchored not stored refs pending

The Epstein-Glaser causal approach to the Light-Front QED$_{4}$. I: Free theory

B.M. Pimentel, D.E. Soto, R. Bufalo

arxiv:1405.1896 v2 · 2014-05-08 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FAA4PN6GLVMP2BCDWFK56WBBR3}

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 2026-05-18T02:32:46.071106Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2801c7b7c65d58fd0443b155df58218ece4148cd2ebba81ee0ce9800a68698c6

Aliases

arxiv: 1405.1896 · arxiv_version: 1405.1896v2 · doi: 10.48550/arxiv.1405.1896 · pith_short_12: FAA4PN6GLVMP · pith_short_16: FAA4PN6GLVMP2BCD · pith_short_8: FAA4PN6G
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FAA4PN6GLVMP2BCDWFK56WBBR3 \
  | 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: 2801c7b7c65d58fd0443b155df58218ece4148cd2ebba81ee0ce9800a68698c6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a408dc7479f4fc47b90eaffc9fd57cd3a5a174e689f8b6288a11f39b19a521b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-05-08T11:57:17Z",
    "title_canon_sha256": "64bf93dca1090a04f33038569b3af8dfc573ed725d80c0d6f73fa4dc62021ed9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.1896",
    "kind": "arxiv",
    "version": 2
  }
}