Pith Number

pith:RWG3AJUH

pith:2018:RWG3AJUHKWH437NQJQNNVIXA7A

not attested not anchored not stored refs pending

Field theory actions for ambitwistor string and superstring

Matheus Lize (ICTP-SAIFR/IFT-UNESP, Nathan Berkovits, Sao Paulo)

arxiv:1807.07661 v2 · 2018-07-19 · 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{RWG3AJUHKWH437NQJQNNVIXA7A}

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	2026-05-18T00:03:15.730016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d8db02687558fcdfdb04c1adaa2e0f80fae5c58e844862d03b66313dab0bdf3

Aliases

arxiv: 1807.07661 · arxiv_version: 1807.07661v2 · doi: 10.48550/arxiv.1807.07661 · pith_short_12: RWG3AJUHKWH4 · pith_short_16: RWG3AJUHKWH437NQ · pith_short_8: RWG3AJUH

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/RWG3AJUHKWH437NQJQNNVIXA7A \
  | 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: 8d8db02687558fcdfdb04c1adaa2e0f80fae5c58e844862d03b66313dab0bdf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98fb41d42ccb627897e1dec957848748d1d0c63818fbad8ee5718bfdbf2cb6e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-07-19T23:21:58Z",
    "title_canon_sha256": "ad97bf35acc6043358ff02afbd427fc7460d480a8ce63a4751764df9240bfe39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07661",
    "kind": "arxiv",
    "version": 2
  }
}