Pith Number

pith:HYN6ZURI

pith:2017:HYN6ZURIQ5IIIYGNAY2M5M5KK3

not attested not anchored not stored refs pending

Non-point symmetry reduction method of partial differential equations

Ivan Tsyfra, Tomasz Czy\.zycki

arxiv:1712.08106 v2 · 2017-12-21 · 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{HYN6ZURIQ5IIIYGNAY2M5M5KK3}

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	2026-05-18T00:27:17.224179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e1becd22887508460cd0634ceb3aa56e83d3f6548fe38b17a2d7f26532bdf58

Aliases

arxiv: 1712.08106 · arxiv_version: 1712.08106v2 · doi: 10.48550/arxiv.1712.08106 · pith_short_12: HYN6ZURIQ5II · pith_short_16: HYN6ZURIQ5IIIYGN · pith_short_8: HYN6ZURI

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/HYN6ZURIQ5IIIYGNAY2M5M5KK3 \
  | 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: 3e1becd22887508460cd0634ceb3aa56e83d3f6548fe38b17a2d7f26532bdf58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01f44fdbea56c0480bcd9cfff8b5f09aa54e6d8c6617452b82ef71100ccc1547",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-12-21T17:40:26Z",
    "title_canon_sha256": "9853eaa70100a01202417c67510994b257935d252b219d08151c0e05ccdb33fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08106",
    "kind": "arxiv",
    "version": 2
  }
}