pith. sign in
Pith Number

pith:DCR4BTS3

pith:2013:DCR4BTS3ZIZG5CSQ3KSXTOAAQK
not attested not anchored not stored refs pending

Homotopical Height

Dishant Pancholi, Indranil Biswas, Mahan Mj

arxiv:1302.0607 v2 · 2013-02-04 · math.GT · math.AG · math.AT · math.SG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DCR4BTS3ZIZG5CSQ3KSXTOAAQK}

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 2026-05-18T02:29:16.062596Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

18a3c0ce5bca326e8a50daa579b80082b3bf09537e32c4c298625aa53a9bec71

Aliases

arxiv: 1302.0607 · arxiv_version: 1302.0607v2 · doi: 10.48550/arxiv.1302.0607 · pith_short_12: DCR4BTS3ZIZG · pith_short_16: DCR4BTS3ZIZG5CSQ · pith_short_8: DCR4BTS3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DCR4BTS3ZIZG5CSQ3KSXTOAAQK \
  | 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: 18a3c0ce5bca326e8a50daa579b80082b3bf09537e32c4c298625aa53a9bec71
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4824ed4bb66e10e3353b0ade0933c0728b896789496c24feee7a077a01218bd6",
    "cross_cats_sorted": [
      "math.AG",
      "math.AT",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2013-02-04T08:03:12Z",
    "title_canon_sha256": "0a0cbd03ca6e3461a0004da442f477aa29e82d0e7997d4205a1ea01f4d161a79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0607",
    "kind": "arxiv",
    "version": 2
  }
}