Pith Number

pith:AKPK4OBN

pith:2012:AKPK4OBN3GW3LZTMP44XPIE3BM

not attested not anchored not stored refs pending

Conformal Geometry and The Composite Membrane Problem

Sagun Chanillo

arxiv:1208.5515 v3 · 2012-08-27 · math.AP · math.DG · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AKPK4OBN3GW3LZTMP44XPIE3BM}

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	2026-05-18T03:45:54.942529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

029eae382dd9adb5e66c7f3977a09b0b3a9224b6499c179d8821858a71e17d2e

Aliases

arxiv: 1208.5515 · arxiv_version: 1208.5515v3 · doi: 10.48550/arxiv.1208.5515 · pith_short_12: AKPK4OBN3GW3 · pith_short_16: AKPK4OBN3GW3LZTM · pith_short_8: AKPK4OBN

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/AKPK4OBN3GW3LZTMP44XPIE3BM \
  | 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: 029eae382dd9adb5e66c7f3977a09b0b3a9224b6499c179d8821858a71e17d2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d882744ab2c623ae7e0df4cc3c2a37fbb3f6ce90af10facd1d6b73c96ef9e9b",
    "cross_cats_sorted": [
      "math.DG",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-08-27T21:38:26Z",
    "title_canon_sha256": "1939ea64bb841dddbcb18a8dd7acda5046b5134f63c1d08d9ea7118ef7cf376b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5515",
    "kind": "arxiv",
    "version": 3
  }
}