Pith Number

pith:5MXQ4JHB

pith:2004:5MXQ4JHBG5ZNZNOF4ZNAKKPE65

not attested not anchored not stored refs pending

A Note on Twistor Gravity Amplitudes

Daniel Robles-Llana, Diego Trancanelli, Riccardo Ricci, Simone Giombi

arxiv:hep-th/0405086 v2 · 2004-05-10 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5MXQ4JHBG5ZNZNOF4ZNAKKPE65}

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	2026-07-04T16:48:47.919721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb2f0e24e13772dcb5c5e65a0529e4f74c3e26a23e19cf90d11955ae088e0065

Aliases

arxiv: hep-th/0405086 · arxiv_version: hep-th/0405086v2 · doi: 10.48550/arxiv.hep-th/0405086 · pith_short_12: 5MXQ4JHBG5ZN · pith_short_16: 5MXQ4JHBG5ZNZNOF · pith_short_8: 5MXQ4JHB

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/5MXQ4JHBG5ZNZNOF4ZNAKKPE65 \
  | 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: eb2f0e24e13772dcb5c5e65a0529e4f74c3e26a23e19cf90d11955ae088e0065

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2605035cc1407e0e176ed71e8b7e7edd14fc834251c317744575aa5365716dfd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-05-10T18:01:17Z",
    "title_canon_sha256": "1a8188c299d4682fb5dfcb9556de4efc6952fa0feb43cddad56996c4104242f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0405086",
    "kind": "arxiv",
    "version": 2
  }
}