pith. sign in
Pith Number

pith:2O263RO2

pith:2014:2O263RO2FKCUBR6VLBNH7TQLNU
not attested not anchored not stored refs pending

Perturbative gravity at null infinity

David Skinner, Eduardo Casali, Tim Adamo

arxiv:1405.5122 v2 · 2014-05-20 · hep-th · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2O263RO2FKCUBR6VLBNH7TQLNU}

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 2026-05-18T01:43:10.270208Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d3b5edc5da2a8540c7d5585a7fce0b6d1ebb7ae65480827f971ddf54725662a7

Aliases

arxiv: 1405.5122 · arxiv_version: 1405.5122v2 · doi: 10.48550/arxiv.1405.5122 · pith_short_12: 2O263RO2FKCU · pith_short_16: 2O263RO2FKCUBR6V · pith_short_8: 2O263RO2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2O263RO2FKCUBR6VLBNH7TQLNU \
  | 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: d3b5edc5da2a8540c7d5585a7fce0b6d1ebb7ae65480827f971ddf54725662a7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "29242dfd21ba6c7fcdf5bae6c1df2b5f4b9f823d2d95ac683760494fcc7bc9a7",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-05-20T15:27:10Z",
    "title_canon_sha256": "4a0456497d10cf9746b18ec3ec45796be63ef057856c3bf1cc7e184dd80eb1fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.5122",
    "kind": "arxiv",
    "version": 2
  }
}