Pith Number

pith:EJ35Y2TI

pith:2017:EJ35Y2TIBWN5M2PP2FBY6T4QDR

not attested not anchored not stored refs pending

Validity of formal expansions for singularly perturbed competition-diffusion systems

Ryunosuke Mori

arxiv:1801.00081 v1 · 2017-12-30 · 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{EJ35Y2TIBWN5M2PP2FBY6T4QDR}

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	2026-05-18T00:26:59.510898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2277dc6a680d9bd669efd1438f4f901c5691dae6518322bc7f8774c1243abf46

Aliases

arxiv: 1801.00081 · arxiv_version: 1801.00081v1 · doi: 10.48550/arxiv.1801.00081 · pith_short_12: EJ35Y2TIBWN5 · pith_short_16: EJ35Y2TIBWN5M2PP · pith_short_8: EJ35Y2TI

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/EJ35Y2TIBWN5M2PP2FBY6T4QDR \
  | 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: 2277dc6a680d9bd669efd1438f4f901c5691dae6518322bc7f8774c1243abf46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e773a958dabaeb9aa155fd316f91148c055d270b69b91de0fb85fd913a1369b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-12-30T03:53:17Z",
    "title_canon_sha256": "2bd26e80a3368ee7398f26459bdad519b90a0c6fb1b675965e6c71811262bf0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00081",
    "kind": "arxiv",
    "version": 1
  }
}