Pith Number

pith:M44I5R2W

pith:2017:M44I5R2W2CXG6NSACKVMJX52ZY

not attested not anchored not stored refs pending

Density estimates for degenerate double-well potentials

Alberto Farina, Enrico Valdinoci, Serena Dipierro

arxiv:1709.08888 v1 · 2017-09-26 · 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{M44I5R2W2CXG6NSACKVMJX52ZY}

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	2026-05-18T00:34:21.608739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67388ec756d0ae6f364012aac4dfbace07f50af2972b22260dc7b32db1f95203

Aliases

arxiv: 1709.08888 · arxiv_version: 1709.08888v1 · doi: 10.48550/arxiv.1709.08888 · pith_short_12: M44I5R2W2CXG · pith_short_16: M44I5R2W2CXG6NSA · pith_short_8: M44I5R2W

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/M44I5R2W2CXG6NSACKVMJX52ZY \
  | 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: 67388ec756d0ae6f364012aac4dfbace07f50af2972b22260dc7b32db1f95203

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff98b1ae4c2e2cdafcbf22e4c11b300616506c95d7c2eb8ba5ad423cb2991623",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-09-26T08:42:01Z",
    "title_canon_sha256": "b94ebbdc7269be31e27b36b495d1f4ac723d4daff37fae13b6d66f532e983202"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08888",
    "kind": "arxiv",
    "version": 1
  }
}