Pith Number

pith:4JGDMBWE

pith:2013:4JGDMBWETDPZAQY2WVM7RKZXFL

not attested not anchored not stored refs pending

Non-uniqueness results for entropy two-phase solutions of forward-backward parabolic problems with unstable phase

Andrea Terracina

arxiv:1310.7726 v1 · 2013-10-29 · 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{4JGDMBWETDPZAQY2WVM7RKZXFL}

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	2026-05-18T03:08:35.438946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e24c3606c498df90431ab559f8ab372aed580695ee6cef0727335ccf8caf2536

Aliases

arxiv: 1310.7726 · arxiv_version: 1310.7726v1 · doi: 10.48550/arxiv.1310.7726 · pith_short_12: 4JGDMBWETDPZ · pith_short_16: 4JGDMBWETDPZAQY2 · pith_short_8: 4JGDMBWE

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/4JGDMBWETDPZAQY2WVM7RKZXFL \
  | 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: e24c3606c498df90431ab559f8ab372aed580695ee6cef0727335ccf8caf2536

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dea9a462fcb20d8043dc55c26614e8fb1be3acfc29af222772ef82a4e97ae921",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-10-29T09:38:14Z",
    "title_canon_sha256": "b1d1bb66e58ad85b8ce2301877e0e0347a5338d030065e32b328153c4162a6c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7726",
    "kind": "arxiv",
    "version": 1
  }
}