Pith Number

pith:EHZC7HXH

pith:2021:EHZC7HXH3OY4Z7FPXILDITVTGP

not attested not anchored not stored refs pending

One-loop matrix elements of effective superstring interactions: $\alpha'$-expanding loop integrands

Alex Edison, Fei Teng, Henrik Johansson, Max Guillen, Oliver Schlotterer

arxiv:2107.08009 v3 · 2021-07-16 · 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{EHZC7HXH3OY4Z7FPXILDITVTGP}

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

2 papers in Pith

Uniqueness and Analytic Structures of Bosonic String Effective Amplitudes

$D$-Dimensional Modular Assembly of Higher-Derivative Four-Point Contact Amplitudes Involving Fermions

Receipt and verification

First computed	2026-07-05T04:45:11.275670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21f22f9ee7dbb1ccfcafba16344eb333c83f2595c25519e31b2e210adf32f219

Aliases

arxiv: 2107.08009 · arxiv_version: 2107.08009v3 · doi: 10.48550/arxiv.2107.08009 · pith_short_12: EHZC7HXH3OY4 · pith_short_16: EHZC7HXH3OY4Z7FP · pith_short_8: EHZC7HXH

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/EHZC7HXH3OY4Z7FPXILDITVTGP \
  | 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: 21f22f9ee7dbb1ccfcafba16344eb333c83f2595c25519e31b2e210adf32f219

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7108a4366e989588aa54637627d7f3e1a8758394b935fa5b07b4af88383955fd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-07-16T16:54:16Z",
    "title_canon_sha256": "baff208927f91f49c84849189eb482680ea8866a6fd81b11e597db0aaea28bf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.08009",
    "kind": "arxiv",
    "version": 3
  }
}