Pith Number

pith:TUCTZC4G

pith:2015:TUCTZC4GKXK3DBPXYPZSJAL4ZZ

not attested not anchored not stored refs pending

Worldsheet Geometries of Ambitwistor String

Kantaro Ohmori

arxiv:1504.02675 v2 · 2015-04-10 · 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{TUCTZC4GKXK3DBPXYPZSJAL4ZZ}

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	2026-05-18T01:51:24.828138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d053c8b8655d5b185f7c3f324817cce6624e17bb1aad6b48e3259849132ab97

Aliases

arxiv: 1504.02675 · arxiv_version: 1504.02675v2 · doi: 10.48550/arxiv.1504.02675 · pith_short_12: TUCTZC4GKXK3 · pith_short_16: TUCTZC4GKXK3DBPX · pith_short_8: TUCTZC4G

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/TUCTZC4GKXK3DBPXYPZSJAL4ZZ \
  | 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: 9d053c8b8655d5b185f7c3f324817cce6624e17bb1aad6b48e3259849132ab97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b996beac020de5859ea3168508f0dc476d42abdb7c58497ab839c1695214fbe4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-04-10T13:42:06Z",
    "title_canon_sha256": "3fbd94b0d4dc7b9a57c97530c50401857ef1e500ee19f8845e1df36506c5cb06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02675",
    "kind": "arxiv",
    "version": 2
  }
}