Pith Number

pith:XRGG6Y4A

pith:2011:XRGG6Y4ATVMPOISJUYA67BHFNH

not attested not anchored not stored refs pending

D\'esingularisation de m\'etriques d'Einstein. I

Olivier Biquard

arxiv:1105.4904 v1 · 2011-05-24 · 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{XRGG6Y4ATVMPOISJUYA67BHFNH}

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	2026-05-18T04:21:21.094307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc4c6f63809d58f72249a601ef84e569ffced62931cbf367e1d69e7500bfd1a2

Aliases

arxiv: 1105.4904 · arxiv_version: 1105.4904v1 · doi: 10.48550/arxiv.1105.4904 · pith_short_12: XRGG6Y4ATVMP · pith_short_16: XRGG6Y4ATVMPOISJ · pith_short_8: XRGG6Y4A

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/XRGG6Y4ATVMPOISJUYA67BHFNH \
  | 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: bc4c6f63809d58f72249a601ef84e569ffced62931cbf367e1d69e7500bfd1a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffabe6cf1cf8564e8d17c3a7eecec0486123b3c0fbab3c2f14ad7f5eaf1379b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-05-24T22:10:02Z",
    "title_canon_sha256": "2d0095075a7fe1435fb2544134bac5ede9b1c89b82e67bfca951fa701a1169be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4904",
    "kind": "arxiv",
    "version": 1
  }
}