Pith Number

pith:VXYDFXU5

pith:2019:VXYDFXU5X4SWQZJ2UJW5RLXX2Y

not attested not anchored not stored refs pending

Strings, extended objects, and the classical double copy

Jingping Li, Walter D. Goldberger

arxiv:1912.01650 v3 · 2019-12-03 · 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{VXYDFXU5X4SWQZJ2UJW5RLXX2Y}

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

2 papers in Pith

Non-topological solitons in biadjoint scalar field theory

Hawking Radiation meets the Double Copy

Receipt and verification

First computed	2026-07-05T00:43:21.318507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adf032de9dbf2568653aa26dd8aef7d61b0c20a965923d47f9363c54e5a7d1e2

Aliases

arxiv: 1912.01650 · arxiv_version: 1912.01650v3 · doi: 10.48550/arxiv.1912.01650 · pith_short_12: VXYDFXU5X4SW · pith_short_16: VXYDFXU5X4SWQZJ2 · pith_short_8: VXYDFXU5

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/VXYDFXU5X4SWQZJ2UJW5RLXX2Y \
  | 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: adf032de9dbf2568653aa26dd8aef7d61b0c20a965923d47f9363c54e5a7d1e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2e373205ab1b1a04eda018e555a323cc4267a4c442e6c2e3c006bb836fd6cfc",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-12-03T19:45:29Z",
    "title_canon_sha256": "2107978627913c8306f5e685979fda54a4a0af86f31665141c7fba73dc241517"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.01650",
    "kind": "arxiv",
    "version": 3
  }
}