Pith Number

pith:56GYW3FY

pith:2013:56GYW3FY3LS4U434DGYRNYLRRF

not attested not anchored not stored refs pending

D-branes and $K$-homology

Bei Jia

arxiv:1306.0535 v1 · 2013-06-03 · math.KT · 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{56GYW3FY3LS4U434DGYRNYLRRF}

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	2026-05-18T03:21:55.139288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef8d8b6cb8dae5ca737c19b116e171897010e01fd63bb3841e64c53b74163746

Aliases

arxiv: 1306.0535 · arxiv_version: 1306.0535v1 · doi: 10.48550/arxiv.1306.0535 · pith_short_12: 56GYW3FY3LS4 · pith_short_16: 56GYW3FY3LS4U434 · pith_short_8: 56GYW3FY

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/56GYW3FY3LS4U434DGYRNYLRRF \
  | 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: ef8d8b6cb8dae5ca737c19b116e171897010e01fd63bb3841e64c53b74163746

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26186d3ca1a7b5aa4ac11aa659212267d0b4f5e443d20582eedcb9594ef4080e",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2013-06-03T19:07:56Z",
    "title_canon_sha256": "b0e892d0efde1b9330ebcd95a9564b7ad95b72293130a3084e049c1973d87242"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0535",
    "kind": "arxiv",
    "version": 1
  }
}