Pith Number

pith:O2ITC3SY

pith:2015:O2ITC3SYAGY6RK2JXA7IGEMN3J

not attested not anchored not stored refs pending

Existence of solutions for degenerate parabolic equations with singular terms

Andrea Dall'Aglio, Francesco Petitta, Luigi Orsina

arxiv:1506.03674 v1 · 2015-06-11 · 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{O2ITC3SYAGY6RK2JXA7IGEMN3J}

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	2026-05-18T01:19:20.542940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7691316e5801b1e8ab49b83e83118dda7071843b1b93872f5c240e3426b97ffb

Aliases

arxiv: 1506.03674 · arxiv_version: 1506.03674v1 · doi: 10.48550/arxiv.1506.03674 · pith_short_12: O2ITC3SYAGY6 · pith_short_16: O2ITC3SYAGY6RK2J · pith_short_8: O2ITC3SY

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/O2ITC3SYAGY6RK2JXA7IGEMN3J \
  | 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: 7691316e5801b1e8ab49b83e83118dda7071843b1b93872f5c240e3426b97ffb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2d737eed18b1d91afdd552aa11ab492186fda941365fd523e698c5847c0e1a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-06-11T13:59:28Z",
    "title_canon_sha256": "8014e49393e21d74796d0b57f1c02994e4257aa69f93610968ea02c068bcb50e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03674",
    "kind": "arxiv",
    "version": 1
  }
}