Pith Number

pith:SRHN2SPH

pith:2011:SRHN2SPHJ4QTI3CWRO5XE243XJ

not attested not anchored not stored refs pending

RNS and Pure Spinors Equivalence for Type I Tree Level Amplitudes Involving up to Four Fermions

G. Alencar, M. O. Tahim, R. N. Costa Filho, R. R. Landim

arxiv:1104.1939 v4 · 2011-04-11 · hep-th · 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{SRHN2SPHJ4QTI3CWRO5XE243XJ}

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	2026-05-18T04:07:41.744632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

944edd49e74f21346c568bbb726b9bba500616fcf318ecb188125c3f6b0553ca

Aliases

arxiv: 1104.1939 · arxiv_version: 1104.1939v4 · doi: 10.48550/arxiv.1104.1939 · pith_short_12: SRHN2SPHJ4QT · pith_short_16: SRHN2SPHJ4QTI3CW · pith_short_8: SRHN2SPH

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/SRHN2SPHJ4QTI3CWRO5XE243XJ \
  | 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: 944edd49e74f21346c568bbb726b9bba500616fcf318ecb188125c3f6b0553ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9444d2083f1e93fbfc0a1de6d07f9b158c5afa3575f146535b1b52809f0028ca",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-04-11T13:27:55Z",
    "title_canon_sha256": "252f7cf0400220598f77b611796be17025ec2a9d4aaea54e7746b04fa258a611"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1939",
    "kind": "arxiv",
    "version": 4
  }
}