Pith Number

pith:E3YCDZI4

pith:2003:E3YCDZI4HY4QZ32KNLBHXJWYWY

not attested not anchored not stored refs pending

Combinatorial Yamabe Flow on Surfaces

Feng Luo

arxiv:math/0306167 v1 · 2003-06-10 · math.GT · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E3YCDZI4HY4QZ32KNLBHXJWYWY}

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	2026-07-04T14:37:23.684541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26f021e51c3e390cef4a6ac27ba6d8b60efc303eca6b86a096443c328e1358bb

Aliases

arxiv: math/0306167 · arxiv_version: math/0306167v1 · doi: 10.48550/arxiv.math/0306167 · pith_short_12: E3YCDZI4HY4Q · pith_short_16: E3YCDZI4HY4QZ32K · pith_short_8: E3YCDZI4

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/E3YCDZI4HY4QZ32KNLBHXJWYWY \
  | 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: 26f021e51c3e390cef4a6ac27ba6d8b60efc303eca6b86a096443c328e1358bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "029a5aa3a419b2e709b8819548aae3b6140e6790b14ddeed7c84ac6817105cfc",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2003-06-10T15:23:23Z",
    "title_canon_sha256": "f146c9a2a28bbe474fa68bac496dc700469ebdedc303bcdf603dda3c7a40b146"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0306167",
    "kind": "arxiv",
    "version": 1
  }
}