Pith Number

pith:G4UGTJIE

pith:2017:G4UGTJIE3TP5ROFRC3UYR4EN6U

not attested not anchored not stored refs pending

From 4d Ambitwistor Strings to On Shell Diagrams and Back

Arthur E. Lipstein, Joseph A. Farrow

arxiv:1705.07087 v3 · 2017-05-19 · 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{G4UGTJIE3TP5ROFRC3UYR4EN6U}

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	2026-05-18T00:35:20.439403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

372869a504dcdfd8b8b116e988f08df50311b35203839a6447dfbe1126b62652

Aliases

arxiv: 1705.07087 · arxiv_version: 1705.07087v3 · doi: 10.48550/arxiv.1705.07087 · pith_short_12: G4UGTJIE3TP5 · pith_short_16: G4UGTJIE3TP5ROFR · pith_short_8: G4UGTJIE

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/G4UGTJIE3TP5ROFRC3UYR4EN6U \
  | 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: 372869a504dcdfd8b8b116e988f08df50311b35203839a6447dfbe1126b62652

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a817288415a62d08e88745d0615c56c79c941161ecdf12691cd23dc3cd8b91a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2017-05-19T16:54:24Z",
    "title_canon_sha256": "39097ee220bc54ec52e0e7b75922ea1146f88d931e8bad395dbbe89318af268f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07087",
    "kind": "arxiv",
    "version": 3
  }
}