Pith Number

pith:6HJREVRV

pith:2014:6HJREVRV3PFIPKLPDLNYQC6EBM

not attested not anchored not stored refs pending

Inversion d'op\'erateurs de courbure au voisinage d'une m\'etrique Ricci parall\`ele

Erwann Delay (LMA)

arxiv:1404.1865 v2 · 2014-04-07 · 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{6HJREVRV3PFIPKLPDLNYQC6EBM}

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	2026-05-18T00:51:30.749776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1d3125635dbca87a96f1adb880bc40b12d5352e5ce9728b78b30d2353bf39d7

Aliases

arxiv: 1404.1865 · arxiv_version: 1404.1865v2 · doi: 10.48550/arxiv.1404.1865 · pith_short_12: 6HJREVRV3PFI · pith_short_16: 6HJREVRV3PFIPKLP · pith_short_8: 6HJREVRV

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/6HJREVRV3PFIPKLPDLNYQC6EBM \
  | 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: f1d3125635dbca87a96f1adb880bc40b12d5352e5ce9728b78b30d2353bf39d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d024e04dd933f6d834aa97d30447f6706b390a9e51fb3dffa67b39df913bd5ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-04-07T18:02:13Z",
    "title_canon_sha256": "5828afa889e07620d998e1ae05fab79b7609d9541edcea83c41f1bb15b756517"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1865",
    "kind": "arxiv",
    "version": 2
  }
}