Pith Number

pith:IIGNQY6I

pith:1999:IIGNQY6I7QDOEAYZG7TRASEV5D

not attested not anchored not stored refs pending

On the Coupling of Gravitons to Matter

A. De Freitas, H.L. Wong, Z. Bern

arxiv:hep-th/9912033 v1 · 1999-12-04 · hep-th · gr-qc · 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{IIGNQY6I7QDOEAYZG7TRASEV5D}

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.

Cited by

1 paper in Pith

Note on single-trace EYM amplitudes with MHV configuration

Receipt and verification

First computed	2026-07-04T16:15:04.034835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

420cd863c8fc06e2031937e7104895e8e4ddde551d8f38584af08f1e8ac6dffd

Aliases

arxiv: hep-th/9912033 · arxiv_version: hep-th/9912033v1 · doi: 10.48550/arxiv.hep-th/9912033 · pith_short_12: IIGNQY6I7QDO · pith_short_16: IIGNQY6I7QDOEAYZ · pith_short_8: IIGNQY6I

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/IIGNQY6I7QDOEAYZG7TRASEV5D \
  | 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: 420cd863c8fc06e2031937e7104895e8e4ddde551d8f38584af08f1e8ac6dffd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eee97c8ce8d332c8ad79f37b2f2eb5d397b4da2d23d51054d843db2889340429",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-12-04T20:30:49Z",
    "title_canon_sha256": "7c930c56b0f0e93f6a903d6a5d8b22543d5bb25ed80c0da59e94c6a6e901c465"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9912033",
    "kind": "arxiv",
    "version": 1
  }
}