Pith Number

pith:C6TN4SQR

pith:2016:C6TN4SQRKYYVGAO6ULCSJNFWMS

not attested not anchored not stored refs pending

Disentanglements of corank 2 map-germs: two examples

David Mond

arxiv:1610.01328 v1 · 2016-10-05 · math.AG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C6TN4SQRKYYVGAO6ULCSJNFWMS}

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	2026-05-18T01:03:11.110724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17a6de4a1156315301dea2c524b4b664b9f97eaeed8edde8932b467e15c09726

Aliases

arxiv: 1610.01328 · arxiv_version: 1610.01328v1 · doi: 10.48550/arxiv.1610.01328 · pith_short_12: C6TN4SQRKYYV · pith_short_16: C6TN4SQRKYYVGAO6 · pith_short_8: C6TN4SQR

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/C6TN4SQRKYYVGAO6ULCSJNFWMS \
  | 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: 17a6de4a1156315301dea2c524b4b664b9f97eaeed8edde8932b467e15c09726

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b6fe1bb99d36c8126559dd062d6c9f5402146ac4f26de2dc4b6517a1ba87568",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-10-05T09:26:23Z",
    "title_canon_sha256": "d292dd4d6a91b5dec1264b9796e53eeaa93677209b86fda95603b6d1746f25a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.01328",
    "kind": "arxiv",
    "version": 1
  }
}