Pith Number

pith:E3UW7CIH

pith:2012:E3UW7CIHJHPRP2HDG5ZMKEOY7V

not attested not anchored not stored refs pending

A weak comparison principle for reaction-diffusion systems

Jos\'e Valero

arxiv:1205.4160 v1 · 2012-05-18 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E3UW7CIHJHPRP2HDG5ZMKEOY7V}

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	2026-05-18T03:55:22.606608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26e96f890749df17e8e33772c511d8fd4e29c34ef223990496c539d9b746214c

Aliases

arxiv: 1205.4160 · arxiv_version: 1205.4160v1 · doi: 10.48550/arxiv.1205.4160 · pith_short_12: E3UW7CIHJHPR · pith_short_16: E3UW7CIHJHPRP2HD · pith_short_8: E3UW7CIH

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/E3UW7CIHJHPRP2HDG5ZMKEOY7V \
  | 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: 26e96f890749df17e8e33772c511d8fd4e29c34ef223990496c539d9b746214c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df65f9e3b2fb07fae4474187fad242d86d2faf9d620782897ce9d44571d13f24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-05-18T13:56:27Z",
    "title_canon_sha256": "aaec856a4589f47f813868c61ecadff6ac39d7202b040e25da638aaba4ca42e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4160",
    "kind": "arxiv",
    "version": 1
  }
}