Pith Number

pith:5S2T3WKT

pith:2023:5S2T3WKTGKJ4IINBKGW7CCO4XB

not attested not anchored not stored refs pending

Nambu-Goto Strings with a null symmetry and contact structure

Hideki Ishihara, Hiroshi Kozaki, Tatsuhiko Koike, Yoshiyuki Morisawa

arxiv:2303.17969 v2 · 2023-03-31 · gr-qc · 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{5S2T3WKTGKJ4IINBKGW7CCO4XB}

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

Spacetime constructed from a contact manifold with a degenerate metric

Receipt and verification

First computed	2026-07-05T06:55:22.984265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecb53dd9533293c421a151adf109dcb87b5530b6331a0b6d0635c686204d9ba3

Aliases

arxiv: 2303.17969 · arxiv_version: 2303.17969v2 · doi: 10.48550/arxiv.2303.17969 · pith_short_12: 5S2T3WKTGKJ4 · pith_short_16: 5S2T3WKTGKJ4IINB · pith_short_8: 5S2T3WKT

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/5S2T3WKTGKJ4IINBKGW7CCO4XB \
  | 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: ecb53dd9533293c421a151adf109dcb87b5530b6331a0b6d0635c686204d9ba3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c467403e951ff349e2d9597fb92b88f026d5a452023ec19a4024b2eff9f540c5",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-03-31T11:13:43Z",
    "title_canon_sha256": "055f476672a821602e2a57a8d7c8bc67d4d685f41d146bc226d7d8c0b94bccaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.17969",
    "kind": "arxiv",
    "version": 2
  }
}