Pith Number

pith:2F5SWP27

pith:2002:2F5SWP27NLF72WR6BCGDDVTGBC

not attested not anchored not stored refs pending

The open superstring 5-point amplitude revisited

F. R. Machado, F. T. Brandt, R. Medina

arxiv:hep-th/0208121 v1 · 2002-08-16 · 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{2F5SWP27NLF72WR6BCGDDVTGBC}

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

Type IIB at eight derivatives: Five-Point Axio-Dilaton Couplings

Receipt and verification

First computed	2026-07-04T16:34:52.181885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d17b2b3f5f6acbfd5a3e088c31d666088fb0448de06dd6b67b5d5bba69f51247

Aliases

arxiv: hep-th/0208121 · arxiv_version: hep-th/0208121v1 · doi: 10.48550/arxiv.hep-th/0208121 · pith_short_12: 2F5SWP27NLF7 · pith_short_16: 2F5SWP27NLF72WR6 · pith_short_8: 2F5SWP27

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/2F5SWP27NLF72WR6BCGDDVTGBC \
  | 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: d17b2b3f5f6acbfd5a3e088c31d666088fb0448de06dd6b67b5d5bba69f51247

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8c77c0ba506c77ecabd3c5ae306682fd7b973c6ce4193c5ad0ab57c2e5e7404",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-08-16T21:13:58Z",
    "title_canon_sha256": "0380618e0249485ac9ba40d5586214e3df7f98ff4d85b0968bcd74cfb9cf98a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0208121",
    "kind": "arxiv",
    "version": 1
  }
}