Pith Number

pith:UFZCM57N

pith:2014:UFZCM57NCXR6OPWFPH4GLEZEYH

not attested not anchored not stored refs pending

Sets of unique continuation for heat equation

Nadezda Varkentina, Nikolai Nadirashvili

arxiv:1403.1522 v3 · 2014-03-06 · math.AP · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UFZCM57NCXR6OPWFPH4GLEZEYH}

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	2026-05-18T02:48:33.984050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1722677ed15e3e73ec579f8659324c1ce40d53625407c653dc224e6fc33a268

Aliases

arxiv: 1403.1522 · arxiv_version: 1403.1522v3 · doi: 10.48550/arxiv.1403.1522 · pith_short_12: UFZCM57NCXR6 · pith_short_16: UFZCM57NCXR6OPWF · pith_short_8: UFZCM57N

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/UFZCM57NCXR6OPWFPH4GLEZEYH \
  | 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: a1722677ed15e3e73ec579f8659324c1ce40d53625407c653dc224e6fc33a268

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af2392b3150991b228775360c4bf50d77fc8c561e63989a48611e14e19488104",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-03-06T18:29:05Z",
    "title_canon_sha256": "0006571a9280c2086f7355a2896cb3489e351486949c834a996ad4c98c05f481"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.1522",
    "kind": "arxiv",
    "version": 3
  }
}