Pith Number

pith:JP5GU2DO

pith:2007:JP5GU2DOO7MEUJIL3RSSHUEIEG

not attested not anchored not stored refs pending

Continuation unique a partir de l'infini conforme pour les metriques d'Einstein

Olivier Biquard

arxiv:0708.4346 v2 · 2007-08-31 · 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{JP5GU2DOO7MEUJIL3RSSHUEIEG}

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	2026-07-04T15:04:16.972474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bfa6a686e77d84a250bdc6523d088218d04dae48dfffc5085bb86d30590904c

Aliases

arxiv: 0708.4346 · arxiv_version: 0708.4346v2 · doi: 10.48550/arxiv.0708.4346 · pith_short_12: JP5GU2DOO7ME · pith_short_16: JP5GU2DOO7MEUJIL · pith_short_8: JP5GU2DO

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/JP5GU2DOO7MEUJIL3RSSHUEIEG \
  | 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: 4bfa6a686e77d84a250bdc6523d088218d04dae48dfffc5085bb86d30590904c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14a1781fbdaaf6c873bcd4fcd445f95f7d98839f6bae6ed90f59781f7b40bf04",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2007-08-31T14:48:27Z",
    "title_canon_sha256": "dce90938cdc169a7710228ecfaa006ab910420e944b0d0089d16e832ea9d976b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.4346",
    "kind": "arxiv",
    "version": 2
  }
}