Pith Number

pith:6H4GBDWO

pith:2017:6H4GBDWO2CALC7444AGSNAIOK7

not attested not anchored not stored refs pending

Notes on solution maps of abstract FDEs

Xiao-Qiang Zhao

arxiv:1701.00730 v1 · 2017-01-03 · 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{6H4GBDWO2CALC7444AGSNAIOK7}

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	2026-05-18T00:53:28.376870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1f8608eced080b17f9ce00d26810e57e17b9028527933571c36eb6b107e02fd

Aliases

arxiv: 1701.00730 · arxiv_version: 1701.00730v1 · doi: 10.48550/arxiv.1701.00730 · pith_short_12: 6H4GBDWO2CAL · pith_short_16: 6H4GBDWO2CALC744 · pith_short_8: 6H4GBDWO

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/6H4GBDWO2CALC7444AGSNAIOK7 \
  | 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: f1f8608eced080b17f9ce00d26810e57e17b9028527933571c36eb6b107e02fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75b050cc5d3f79defbb0360849a465eb73af3490d9c746e8a6fe5d576f64f144",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-01-03T15:55:32Z",
    "title_canon_sha256": "b987fd0b589969145e5935564c69ef76ad32683cedb5541fb455e91a6ae73d98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00730",
    "kind": "arxiv",
    "version": 1
  }
}