Pith Number

pith:YK4Y5FAX

pith:2015:YK4Y5FAXZK3R47XZECRXI2URJV

not attested not anchored not stored refs pending

Blow-up in reaction-diffusion systems under Robin boundary conditions

Li-Chang Hung

arxiv:1509.02719 v1 · 2015-09-09 · 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{YK4Y5FAXZK3R47XZECRXI2URJV}

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	2026-05-18T01:33:33.466237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2b98e9417cab71e7ef920a3746a914d4087f342e6713cdcf9e7c29548c4db88

Aliases

arxiv: 1509.02719 · arxiv_version: 1509.02719v1 · doi: 10.48550/arxiv.1509.02719 · pith_short_12: YK4Y5FAXZK3R · pith_short_16: YK4Y5FAXZK3R47XZ · pith_short_8: YK4Y5FAX

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/YK4Y5FAXZK3R47XZECRXI2URJV \
  | 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: c2b98e9417cab71e7ef920a3746a914d4087f342e6713cdcf9e7c29548c4db88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "486ff92aa1da4d14e6681373391711b9cf99609e93eaa0534cb84b3fc5cbf282",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-09-09T10:54:26Z",
    "title_canon_sha256": "da01763cd5440d7a7bdf5718e82a0707d9df0bbf1d62a96b8979e432e12d5ee9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02719",
    "kind": "arxiv",
    "version": 1
  }
}