Pith Number

pith:B4JHS7AA

pith:2015:B4JHS7AAVQJYEZBYLIOTPIK7HO

not attested not anchored not stored refs pending

Improved conditions for single-point blow-up in reaction-diffusion systems

Nejib Mahmoudi, Philippe Souplet, Slim Tayachi

arxiv:1501.05112 v1 · 2015-01-21 · 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{B4JHS7AAVQJYEZBYLIOTPIK7HO}

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	2026-05-18T01:17:37.676792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f12797c00ac138264385a1d37a15f3bb52fd641b2bab6596bedbaa3b20b52eb

Aliases

arxiv: 1501.05112 · arxiv_version: 1501.05112v1 · doi: 10.48550/arxiv.1501.05112 · pith_short_12: B4JHS7AAVQJY · pith_short_16: B4JHS7AAVQJYEZBY · pith_short_8: B4JHS7AA

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/B4JHS7AAVQJYEZBYLIOTPIK7HO \
  | 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: 0f12797c00ac138264385a1d37a15f3bb52fd641b2bab6596bedbaa3b20b52eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39eb05e215f354f0d8757a8d1adef1c4e2d16ecf4ff245b8ea49a3c1a7b0aa69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-01-21T10:17:23Z",
    "title_canon_sha256": "438fd0633155ce4f58e24e3a55ddc8e4565af5ca2a87f07145f2f110666601e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05112",
    "kind": "arxiv",
    "version": 1
  }
}