Pith Number

pith:U7PTHZWB

pith:2017:U7PTHZWBDO74B7PKAIQGH44RIO

not attested not anchored not stored refs pending

A variational problem associated with the minimal speed of traveling waves for spatially periodic KPP type equations

Dongyuan Xiao, Ryunosuke Mori

arxiv:1712.09778 v1 · 2017-12-28 · 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{U7PTHZWBDO74B7PKAIQGH44RIO}

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	2026-05-17T23:48:02.154039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7df33e6c11bbfc0fdea022063f39143a20a0fecf0b9f5f195b33d70f425218e

Aliases

arxiv: 1712.09778 · arxiv_version: 1712.09778v1 · doi: 10.48550/arxiv.1712.09778 · pith_short_12: U7PTHZWBDO74 · pith_short_16: U7PTHZWBDO74B7PK · pith_short_8: U7PTHZWB

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/U7PTHZWBDO74B7PKAIQGH44RIO \
  | 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: a7df33e6c11bbfc0fdea022063f39143a20a0fecf0b9f5f195b33d70f425218e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c19f67b5c2a85ecf050f99da068865266b8ecdb979435c2f25c8ff5b0b54a02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-12-28T06:38:24Z",
    "title_canon_sha256": "5035842b087645d14a8f4531daf1fc824f5f6eda5e486a3be997b4b10d384748"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09778",
    "kind": "arxiv",
    "version": 1
  }
}