Pith Number

pith:I6VDRKOF

pith:2011:I6VDRKOFS2ZCYH2RCV4VUQIKOQ

not attested not anchored not stored refs pending

Well-posedness for a Family of Perturbations of the KDV Equation in Periodic Sobolev Spaces of Negative Order

Ricardo Pastran, Xavier Carvajal

arxiv:1105.2995 v3 · 2011-05-16 · 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{I6VDRKOFS2ZCYH2RCV4VUQIKOQ}

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	2026-05-18T03:30:12.723548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47aa38a9c596b22c1f5115795a410a7417ecde622aa74453f38d196f94070c64

Aliases

arxiv: 1105.2995 · arxiv_version: 1105.2995v3 · doi: 10.48550/arxiv.1105.2995 · pith_short_12: I6VDRKOFS2ZC · pith_short_16: I6VDRKOFS2ZCYH2R · pith_short_8: I6VDRKOF

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/I6VDRKOFS2ZCYH2RCV4VUQIKOQ \
  | 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: 47aa38a9c596b22c1f5115795a410a7417ecde622aa74453f38d196f94070c64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed02cf03fb57da53dd7f5a1054ce9dbdf75f57bb6e56d62f18f12ba290585488",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-05-16T02:47:43Z",
    "title_canon_sha256": "1ab7a20cb6cbfb70547706c644e09bbb8a1b7696c9a6c21d79260067a065d250"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2995",
    "kind": "arxiv",
    "version": 3
  }
}