Pith Number

pith:SKDMHSVD

pith:2009:SKDMHSVDUE2BZDGZAWUZSIILOH

not attested not anchored not stored refs pending

Evolution of the Weyl Tensor under the Ricci Flow

Carlo Mantegazza, Giovanni Catino

arxiv:0910.4761 v7 · 2009-10-25 · 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{SKDMHSVDUE2BZDGZAWUZSIILOH}

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	2026-05-18T03:11:47.526098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9286c3caa3a1341c8cd905a999210b71d376361152b849fe2a0ded4a12682c9c

Aliases

arxiv: 0910.4761 · arxiv_version: 0910.4761v7 · doi: 10.48550/arxiv.0910.4761 · pith_short_12: SKDMHSVDUE2B · pith_short_16: SKDMHSVDUE2BZDGZ · pith_short_8: SKDMHSVD

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/SKDMHSVDUE2BZDGZAWUZSIILOH \
  | 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: 9286c3caa3a1341c8cd905a999210b71d376361152b849fe2a0ded4a12682c9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b25d336d2f00ff86528394d33282a9f47191950d6ec673d0a86f469fb29c5b9f",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-10-25T19:10:29Z",
    "title_canon_sha256": "e3f6267c0a618d773d755c94453b2b6e6ea5ef0efd88d5c2a36f5a28cfcd8d4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4761",
    "kind": "arxiv",
    "version": 7
  }
}