Pith Number

pith:RLF2QLEC

pith:2015:RLF2QLECCJP62SCQPJKXVHGS2M

not attested not anchored not stored refs pending

A Discrete Ricci Flow on Surfaces in Hyperbolic Background Geometry

Huabin Ge, Xu Xu

arxiv:1505.05076 v1 · 2015-05-19 · math.DG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RLF2QLECCJP62SCQPJKXVHGS2M}

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	2026-05-18T02:05:22.264396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8acba82c82125fed48507a557a9cd2d3010b1705110741962275eff48e200ed4

Aliases

arxiv: 1505.05076 · arxiv_version: 1505.05076v1 · doi: 10.48550/arxiv.1505.05076 · pith_short_12: RLF2QLECCJP6 · pith_short_16: RLF2QLECCJP62SCQ · pith_short_8: RLF2QLEC

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/RLF2QLECCJP62SCQPJKXVHGS2M \
  | 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: 8acba82c82125fed48507a557a9cd2d3010b1705110741962275eff48e200ed4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27d6f48dd4ab911a85275354bc7a47c5ec5f4dcbce05834820fb8463c310b21c",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-05-19T16:38:39Z",
    "title_canon_sha256": "607a48281f962455ef3306a8d64225bb552b8ecd85e2a2ffe57987d9f3cfadf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05076",
    "kind": "arxiv",
    "version": 1
  }
}