Pith Number

pith:RS42XILE

pith:2012:RS42XILE3DELAZP2ERFRGLENOW

not attested not anchored not stored refs pending

Einstein supergravity amplitudes from twistor-string theory

Lionel J. Mason, Tim Adamo

arxiv:1203.1026 v4 · 2012-03-05 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RS42XILE3DELAZP2ERFRGLENOW}

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	2026-05-18T01:58:14.741822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cb9aba164d8c8b065fa244b132c8d75ac1c9d9fca1a0b378e9fbff77b1b55df

Aliases

arxiv: 1203.1026 · arxiv_version: 1203.1026v4 · doi: 10.48550/arxiv.1203.1026 · pith_short_12: RS42XILE3DEL · pith_short_16: RS42XILE3DELAZP2 · pith_short_8: RS42XILE

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/RS42XILE3DELAZP2ERFRGLENOW \
  | 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: 8cb9aba164d8c8b065fa244b132c8d75ac1c9d9fca1a0b378e9fbff77b1b55df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c74d4e6acdc79181655d3739a6c09b797b81542b84a761f66e334c92097ead5",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-03-05T19:54:26Z",
    "title_canon_sha256": "9e242810ac497b3fef81405f005cee80b5e7ccdc784ef53b20f0fb539cd24b07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1026",
    "kind": "arxiv",
    "version": 4
  }
}