Pith Number

pith:SNXOBTX2

pith:2011:SNXOBTX2EMEEHV4AQ2SRWOQ3RM

not attested not anchored not stored refs pending

Unconditional well-posedness for wave maps

Fabrice Planchon, Nader Masmoudi

arxiv:1111.4374 v1 · 2011-11-18 · 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{SNXOBTX2EMEEHV4AQ2SRWOQ3RM}

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	2026-05-18T04:08:04.509693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

936ee0cefa230843d78086a51b3a1b8b3ea85897ed57e57a479082b2169da775

Aliases

arxiv: 1111.4374 · arxiv_version: 1111.4374v1 · doi: 10.48550/arxiv.1111.4374 · pith_short_12: SNXOBTX2EMEE · pith_short_16: SNXOBTX2EMEEHV4A · pith_short_8: SNXOBTX2

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/SNXOBTX2EMEEHV4AQ2SRWOQ3RM \
  | 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: 936ee0cefa230843d78086a51b3a1b8b3ea85897ed57e57a479082b2169da775

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c493888537742277799eb70ab0d2ac6d2d1ee8272c96c9d35998621f9fb1d935",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-11-18T14:35:11Z",
    "title_canon_sha256": "596567fe26f43e86a5e6eea95fa0ab206b906ceb8fdfe6b2f23decb9be2b994e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4374",
    "kind": "arxiv",
    "version": 1
  }
}