Pith Number

pith:MQXVHTOA

pith:2015:MQXVHTOAJJ3CXVJBNZHU4BEDFU

not attested not anchored not stored refs pending

Local well-posedness for the KdV hierarchy at high regularity

Carlos Kenig, Didier Pilod

arxiv:1509.08977 v1 · 2015-09-30 · 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{MQXVHTOAJJ3CXVJBNZHU4BEDFU}

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	2026-05-18T01:31:29.361339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

642f53cdc04a762bd5216e4f4e04832d20986687566bf2a240cbd2371db62d08

Aliases

arxiv: 1509.08977 · arxiv_version: 1509.08977v1 · doi: 10.48550/arxiv.1509.08977 · pith_short_12: MQXVHTOAJJ3C · pith_short_16: MQXVHTOAJJ3CXVJB · pith_short_8: MQXVHTOA

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/MQXVHTOAJJ3CXVJBNZHU4BEDFU \
  | 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: 642f53cdc04a762bd5216e4f4e04832d20986687566bf2a240cbd2371db62d08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "183deb40ac105a30e17e085d4350ec9f474fd6d949a9dd28532d8312f8a5049f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-09-30T00:02:05Z",
    "title_canon_sha256": "895cfa7a5b8f740497713ef59f1413fe1a653ae2842c2851a1d977370d1be66f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08977",
    "kind": "arxiv",
    "version": 1
  }
}