Pith Number

pith:E7LG3236

pith:1991:E7LG3236NDFJBJ7WOYHAGUUKSE

not attested not anchored not stored refs pending

Electromagnetic fields of a massless particle and the eikonal

Dan Kabat, Miguel Ortiz, Roman Jackiw

arxiv:hep-th/9112020 v2 · 1991-12-09 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E7LG3236NDFJBJ7WOYHAGUUKSE}

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	2026-05-18T01:16:37.830659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27d66deb7e68ca90a7f6760e03528a913f9983929ef9fd9873c1109d08c16193

Aliases

arxiv: hep-th/9112020 · arxiv_version: hep-th/9112020v2 · doi: 10.48550/arxiv.hep-th/9112020 · pith_short_12: E7LG3236NDFJ · pith_short_16: E7LG3236NDFJBJ7W · pith_short_8: E7LG3236

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/E7LG3236NDFJBJ7WOYHAGUUKSE \
  | 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: 27d66deb7e68ca90a7f6760e03528a913f9983929ef9fd9873c1109d08c16193

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60fbe77ceeb5a2e32c46aaf3b3ed48a35c31d3b58d21a90598ebc86925f3bdfd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "1991-12-09T22:45:00Z",
    "title_canon_sha256": "a64db5d6cb6f29f24fc2dde21aba7203fc957e523d10e366d7beb5edf9b048c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9112020",
    "kind": "arxiv",
    "version": 2
  }
}