Pith Number

pith:YAD4DV4E

pith:2013:YAD4DV4EC6OKWMBS2IABMNGLHT

not attested not anchored not stored refs pending

A-classification of map-germs via $_V$K-equivalence

Kevin Houston, Roberta Wik Atique

arxiv:1302.1104 v1 · 2013-02-05 · 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{YAD4DV4EC6OKWMBS2IABMNGLHT}

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	2026-05-18T03:34:26.150444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c007c1d784179cab3032d2001634cb3ce2421c80a8fe7d0d856fc245151f883b

Aliases

arxiv: 1302.1104 · arxiv_version: 1302.1104v1 · doi: 10.48550/arxiv.1302.1104 · pith_short_12: YAD4DV4EC6OK · pith_short_16: YAD4DV4EC6OKWMBS · pith_short_8: YAD4DV4E

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/YAD4DV4EC6OKWMBS2IABMNGLHT \
  | 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: c007c1d784179cab3032d2001634cb3ce2421c80a8fe7d0d856fc245151f883b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ae9df15d727d9f0ea722fe86ceff38cd9b51a004474ddaee353171bdfefd659",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-02-05T16:40:34Z",
    "title_canon_sha256": "177aef987fb7cc265305727656517e1b4d5660d99104a679df810953bd0c7201"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1104",
    "kind": "arxiv",
    "version": 1
  }
}