Pith Number

pith:UWF7IB43

pith:2014:UWF7IB43BN6ROHDLMQHQGHW57K

not attested not anchored not stored refs pending

Global structure of quaternion polynomial differential equations

Xiang Zhang

arxiv:1407.7941 v1 · 2014-07-30 · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UWF7IB43BN6ROHDLMQHQGHW57K}

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	2026-05-18T02:46:14.060470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a58bf4079b0b7d171c6b640f031eddfaaff4b12c45afe22cdc95accd02ef70e9

Aliases

arxiv: 1407.7941 · arxiv_version: 1407.7941v1 · doi: 10.48550/arxiv.1407.7941 · pith_short_12: UWF7IB43BN6R · pith_short_16: UWF7IB43BN6ROHDL · pith_short_8: UWF7IB43

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/UWF7IB43BN6ROHDLMQHQGHW57K \
  | 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: a58bf4079b0b7d171c6b640f031eddfaaff4b12c45afe22cdc95accd02ef70e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13e68ce4fcbb6b6b21e8a14f0b3a77eceb757668b5014b39c1a949fe033236c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-07-30T04:56:18Z",
    "title_canon_sha256": "2b16037c2fbf8c9b91ec4c445da3dfde99b2e429f5dfacf58f9bec9e91db83b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7941",
    "kind": "arxiv",
    "version": 1
  }
}