Pith Number

pith:NCBWU6K3

pith:2014:NCBWU6K32RNW56DQ52YLSKA6WI

not attested not anchored not stored refs pending

The Double Copy Structure of Soft Gravitons

Agustin Sabio Vera, Miguel A. Vazquez-Mozo

arxiv:1412.3699 v2 · 2014-12-11 · hep-th · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCBWU6K32RNW56DQ52YLSKA6WI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:22:28.946352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68836a795bd45b6ef870eeb0b9281eb23da33177ea57df0496db4497133fd2e8

Aliases

arxiv: 1412.3699 · arxiv_version: 1412.3699v2 · doi: 10.48550/arxiv.1412.3699 · pith_short_12: NCBWU6K32RNW · pith_short_16: NCBWU6K32RNW56DQ · pith_short_8: NCBWU6K3

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/NCBWU6K32RNW56DQ52YLSKA6WI \
  | 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: 68836a795bd45b6ef870eeb0b9281eb23da33177ea57df0496db4497133fd2e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df35ba3e06946ea7ccb7f685e5abecd5399a827184fc2edd6c30484fb39aaa83",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-12-11T16:08:07Z",
    "title_canon_sha256": "104a71cca9034403f9ff0dbe1aa51320932779c99c113edea778041fa0d32828"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3699",
    "kind": "arxiv",
    "version": 2
  }
}