Pith Number

pith:KHM2KN7R

pith:2012:KHM2KN7R6AIFASI44M7ZQQYT27

not attested not anchored not stored refs pending

On the profile of sign changing solutions of an almost critical problem in the ball

Angela Pistoia, Teresa D'Aprile, Thomas Bartsch

arxiv:1208.5903 v1 · 2012-08-29 · 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{KHM2KN7R6AIFASI44M7ZQQYT27}

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	2026-05-18T01:29:13.624241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51d9a537f1f01050491ce33f984313d7cd7c061ade9433f1efb516a6fde70225

Aliases

arxiv: 1208.5903 · arxiv_version: 1208.5903v1 · doi: 10.48550/arxiv.1208.5903 · pith_short_12: KHM2KN7R6AIF · pith_short_16: KHM2KN7R6AIFASI4 · pith_short_8: KHM2KN7R

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/KHM2KN7R6AIFASI44M7ZQQYT27 \
  | 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: 51d9a537f1f01050491ce33f984313d7cd7c061ade9433f1efb516a6fde70225

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "300b040dac0961782451a39057ab96ae2de1b651c622a8a2ce5ef4e77133bbf7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-08-29T12:59:55Z",
    "title_canon_sha256": "326da4f1e9e98f19688d780a4febca40a5a471dbbe8ad063b3f2e556494259c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5903",
    "kind": "arxiv",
    "version": 1
  }
}