Pith Number

pith:GOVGYTG7

pith:2017:GOVGYTG765O22JVD7PDYSA4ZO7

not attested not anchored not stored refs pending

Pseudo-split fibres and arithmetic surjectivity

Alexei N. Skorobogatov, Arne Smeets, Daniel Loughran

arxiv:1705.10740 v2 · 2017-05-30 · math.AG · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GOVGYTG765O22JVD7PDYSA4ZO7}

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	2026-05-18T00:04:40.030456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33aa6c4cdff75dad26a3fbc789039977ffca0f3bf5b1575961ac01686bb037bb

Aliases

arxiv: 1705.10740 · arxiv_version: 1705.10740v2 · doi: 10.48550/arxiv.1705.10740 · pith_short_12: GOVGYTG765O2 · pith_short_16: GOVGYTG765O22JVD · pith_short_8: GOVGYTG7

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/GOVGYTG765O22JVD7PDYSA4ZO7 \
  | 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: 33aa6c4cdff75dad26a3fbc789039977ffca0f3bf5b1575961ac01686bb037bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbd990deaae53c1ecb427fe20a850411e6b46256d548140856ab84b686c99eae",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-05-30T16:50:00Z",
    "title_canon_sha256": "a4f2490b39a1183fddd390200fb75c2675aab465d5932e427cf77eb4e0106f83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10740",
    "kind": "arxiv",
    "version": 2
  }
}