Pith Number

pith:YZNZFZDI

pith:2018:YZNZFZDIO6ZM5CQJ2S4DAZJSTT

not attested not anchored not stored refs pending

Transition semi-wave solutions of reaction diffusion equations with free boundaries

Tao Zhou, Xing Liang

arxiv:1809.08551 v1 · 2018-09-23 · 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{YZNZFZDIO6ZM5CQJ2S4DAZJSTT}

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	2026-05-18T00:05:04.118032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c65b92e46877b2ce8a09d4b83065329cce30f16df8efa83c7e12ce98c1d7cb4d

Aliases

arxiv: 1809.08551 · arxiv_version: 1809.08551v1 · doi: 10.48550/arxiv.1809.08551 · pith_short_12: YZNZFZDIO6ZM · pith_short_16: YZNZFZDIO6ZM5CQJ · pith_short_8: YZNZFZDI

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/YZNZFZDIO6ZM5CQJ2S4DAZJSTT \
  | 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: c65b92e46877b2ce8a09d4b83065329cce30f16df8efa83c7e12ce98c1d7cb4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2262c15df4200fec240c406dcc712700502820aae670844d5a5f4e44cb5afc29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-09-23T08:24:07Z",
    "title_canon_sha256": "2a987a79e0507485200aa2257803c078c4a15e4d544f9e95c181972d1c0a6870"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08551",
    "kind": "arxiv",
    "version": 1
  }
}