Pith Number

pith:RXBU4QPS

pith:2017:RXBU4QPSC37JOINZCDJ6V5ZEMU

not attested not anchored not stored refs pending

A dynamical Shafarevich theorem for rational maps over number fields and function fields

Lloyd West, Lucien Szpiro

arxiv:1705.05489 v1 · 2017-05-16 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RXBU4QPSC37JOINZCDJ6V5ZEMU}

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	2026-05-18T00:44:22.620527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dc34e41f216fe9721b910d3eaf72465177ea44777564efc6215396dc4c22b94

Aliases

arxiv: 1705.05489 · arxiv_version: 1705.05489v1 · doi: 10.48550/arxiv.1705.05489 · pith_short_12: RXBU4QPSC37J · pith_short_16: RXBU4QPSC37JOINZ · pith_short_8: RXBU4QPS

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/RXBU4QPSC37JOINZCDJ6V5ZEMU \
  | 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: 8dc34e41f216fe9721b910d3eaf72465177ea44777564efc6215396dc4c22b94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b653570856db794f72956ae89552dd2e95d7d6ac19da1d03440ba19219b18cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-05-16T00:11:33Z",
    "title_canon_sha256": "ff75797267221ff7d08d69498a95b4868193d009f5cacccdb87cd4aabe15469b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05489",
    "kind": "arxiv",
    "version": 1
  }
}