Pith Number

pith:J2HUVNTX

pith:2017:J2HUVNTX2WWVTMSLFYSTCBJQBU

not attested not anchored not stored refs pending

An algebraic characterization of the affine three space

Neena Gupta, Nikhilesh Dasgupta

arxiv:1709.00169 v2 · 2017-09-01 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J2HUVNTX2WWVTMSLFYSTCBJQBU}

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	2026-05-17T23:51:56.091393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e8f4ab677d5ad59b24b2e253105300d020dd3de94830c66aae7971c48219269

Aliases

arxiv: 1709.00169 · arxiv_version: 1709.00169v2 · doi: 10.48550/arxiv.1709.00169 · pith_short_12: J2HUVNTX2WWV · pith_short_16: J2HUVNTX2WWVTMSL · pith_short_8: J2HUVNTX

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/J2HUVNTX2WWVTMSLFYSTCBJQBU \
  | 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: 4e8f4ab677d5ad59b24b2e253105300d020dd3de94830c66aae7971c48219269

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95f0a7b59639abf08e2532273f18434a60ede7f4bf4b9360d113253a0968f695",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2017-09-01T06:19:00Z",
    "title_canon_sha256": "5bd3bceb7727d8243b2d0434079d99277395a42cd95902c508ba17400bf72bb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00169",
    "kind": "arxiv",
    "version": 2
  }
}