Pith Number

pith:QYROMYIR

pith:2016:QYROMYIRJU5D5ITNAD5ONCKZJX

not attested not anchored not stored refs pending

Spreading in space-time periodic media governed by a monostable equation with free boundaries, Part 2: Spreading speed

Weiwei Ding, Xing Liang, Yihong Du

arxiv:1611.01908 v1 · 2016-11-07 · 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{QYROMYIRJU5D5ITNAD5ONCKZJX}

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	2026-05-18T01:00:04.200838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8622e661114d3a3ea26d00fae689594dd4768ba2ea82c26c7f13bb9fe347057d

Aliases

arxiv: 1611.01908 · arxiv_version: 1611.01908v1 · doi: 10.48550/arxiv.1611.01908 · pith_short_12: QYROMYIRJU5D · pith_short_16: QYROMYIRJU5D5ITN · pith_short_8: QYROMYIR

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/QYROMYIRJU5D5ITNAD5ONCKZJX \
  | 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: 8622e661114d3a3ea26d00fae689594dd4768ba2ea82c26c7f13bb9fe347057d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3207f8865f009fea4a83eb8cbfd97ada2faa0253ace5667ba63bc8e658d2e9ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-11-07T06:43:18Z",
    "title_canon_sha256": "aa7ffc2ebdc248b212da7bec5e84272f6adf5ade4ff7d3f8d1feee10ee8e3d62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01908",
    "kind": "arxiv",
    "version": 1
  }
}