Pith Number

pith:PNCGWAJG

pith:2020:PNCGWAJGQQOPHBYIOQBZNQ2AQV

not attested not anchored not stored refs pending

Classification of all 3 particle S-matrices quadratic in photons or gravitons

Amiya Mishra, Shiraz Minwalla, Soumangsu Chakraborty, Subham Dutta Chowdhury, Suman Kundu, Tushar Gopalka

arxiv:2001.07117 v2 · 2020-01-20 · hep-th · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PNCGWAJGQQOPHBYIOQBZNQ2AQV}

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

1 paper in Pith

Compton amplitude and Contact term(s) in the Spinor Helicity formalism

Receipt and verification

First computed	2026-07-05T01:04:12.653647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b446b0126841cf38708740396c340856789f3b3406f7480e3665a28cb2e6757

Aliases

arxiv: 2001.07117 · arxiv_version: 2001.07117v2 · doi: 10.48550/arxiv.2001.07117 · pith_short_12: PNCGWAJGQQOP · pith_short_16: PNCGWAJGQQOPHBYI · pith_short_8: PNCGWAJG

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/PNCGWAJGQQOPHBYIOQBZNQ2AQV \
  | 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: 7b446b0126841cf38708740396c340856789f3b3406f7480e3665a28cb2e6757

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e5781724db28361099b5052a194212196caa6ca0c200249e33e6612744fa184",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-01-20T14:23:47Z",
    "title_canon_sha256": "3db637edb3793f6e37fada9a53f29def7b3bbdb527e180a88926be7b1d5604fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.07117",
    "kind": "arxiv",
    "version": 2
  }
}