Pith Number

pith:3BGIKG3D

pith:1997:3BGIKG3D774KDUKIDNKNLBWH3I

not attested not anchored not stored refs pending

Light-Cone Expansion of the Dirac Sea to First Order in the External Potential

Felix Finster

arxiv:hep-th/9707128 v4 · 1997-07-14 · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3BGIKG3D774KDUKIDNKNLBWH3I}

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	2026-05-18T03:00:59.918474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d84c851b63fff8a1d1481b54d586c7da3f68b495b4d962dab3abc4417cfc19dc

Aliases

arxiv: hep-th/9707128 · arxiv_version: hep-th/9707128v4 · doi: 10.48550/arxiv.hep-th/9707128 · pith_short_12: 3BGIKG3D774K · pith_short_16: 3BGIKG3D774KDUKI · pith_short_8: 3BGIKG3D

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/3BGIKG3D774KDUKIDNKNLBWH3I \
  | 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: d84c851b63fff8a1d1481b54d586c7da3f68b495b4d962dab3abc4417cfc19dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "365212fab924dbb6bf7e4baf21224847ef93cf883e17e7c2c43c2c0624789ec7",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1997-07-14T13:32:16Z",
    "title_canon_sha256": "c46a1f3f2315706a09bac6188476b813f4a0aee62e32e8431f966174728da6f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9707128",
    "kind": "arxiv",
    "version": 4
  }
}