Pith Number

pith:SYWKQX6I

pith:2006:SYWKQX6IGFUQBDCBGZPSAZDEZJ

not attested not anchored not stored refs pending

Some Superstring Amplitude Computations with the Non-Minimal Pure Spinor Formalism

Carlos R. Mafra (IFT-UNESP, Nathan Berkovits, Sao Paulo)

arxiv:hep-th/0607187 v1 · 2006-07-25 · 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{SYWKQX6IGFUQBDCBGZPSAZDEZJ}

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

Two-Loop Scattering Amplitudes: Double-Forward Limit and Colour-Kinematics Duality

Receipt and verification

First computed	2026-07-04T17:02:03.314195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

962ca85fc83169008c41365f206464ca5362895439df1466d2adcc0fc9a7b8c3

Aliases

arxiv: hep-th/0607187 · arxiv_version: hep-th/0607187v1 · doi: 10.48550/arxiv.hep-th/0607187 · pith_short_12: SYWKQX6IGFUQ · pith_short_16: SYWKQX6IGFUQBDCB · pith_short_8: SYWKQX6I

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/SYWKQX6IGFUQBDCBGZPSAZDEZJ \
  | 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: 962ca85fc83169008c41365f206464ca5362895439df1466d2adcc0fc9a7b8c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b24a97f06036091456d29d4346ccbd39a5ab1f59501c64fe606d52c2cc87b8ef",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2006-07-25T18:28:47Z",
    "title_canon_sha256": "04c1eadf0f10b79b2b4b2c3067a075e2637715db573cb2ca092646a2cba15cdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0607187",
    "kind": "arxiv",
    "version": 1
  }
}