Pith Number

pith:DUPTCW3C

pith:2015:DUPTCW3C77EPNPNRWFH5MEOTSU

not attested not anchored not stored refs pending

Smooth long-time existence of Harmonic Ricci Flow on surfaces

Melanie Rupflin, Reto Buzano

arxiv:1510.03643 v3 · 2015-10-13 · math.DG · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DUPTCW3C77EPNPNRWFH5MEOTSU}

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	2026-05-18T00:48:05.839695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d1f315b62ffc8f6bdb1b14fd611d3953250a14b9f84450da9ee155b92532362

Aliases

arxiv: 1510.03643 · arxiv_version: 1510.03643v3 · doi: 10.48550/arxiv.1510.03643 · pith_short_12: DUPTCW3C77EP · pith_short_16: DUPTCW3C77EPNPNR · pith_short_8: DUPTCW3C

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/DUPTCW3C77EPNPNRWFH5MEOTSU \
  | 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: 1d1f315b62ffc8f6bdb1b14fd611d3953250a14b9f84450da9ee155b92532362

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca8b28c449aed13a858ed0ccee0da06917747e4e4177b148377c9f9644dfdb8e",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-10-13T12:17:43Z",
    "title_canon_sha256": "291b9a3d8fe7072ffb99badcc4ae6d883d3395b41b387f2402f080eac2e87557"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03643",
    "kind": "arxiv",
    "version": 3
  }
}