Pith Number

pith:O62B4PMG

pith:2009:O62B4PMGK3OIITJE44TAIW4QFL

not attested not anchored not stored refs pending

Semi-direct Galois covers of the affine line

Bo-Hae Im, Ekin Ozman, Katherine Stevenson, Laura Hall-Seelig, Linda Gruendken, Rachel Pries

arxiv:0910.4695 v2 · 2009-10-25 · math.NT · 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{O62B4PMGK3OIITJE44TAIW4QFL}

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	2026-05-18T01:22:54.583084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77b41e3d8656dc844d24e726045b902ae56ed5b1c1b6ef5ecc9fc9b558d3f7bd

Aliases

arxiv: 0910.4695 · arxiv_version: 0910.4695v2 · doi: 10.48550/arxiv.0910.4695 · pith_short_12: O62B4PMGK3OI · pith_short_16: O62B4PMGK3OIITJE · pith_short_8: O62B4PMG

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/O62B4PMGK3OIITJE44TAIW4QFL \
  | 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: 77b41e3d8656dc844d24e726045b902ae56ed5b1c1b6ef5ecc9fc9b558d3f7bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85c1e5386b3b3d9987cdb13643411d0b350ec9cb664461553ac2c16b84a0baf2",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2009-10-25T18:51:27Z",
    "title_canon_sha256": "a2d30f69456d92c126407f95cd67d3605c48499331b3c02e062d4bd91020f199"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4695",
    "kind": "arxiv",
    "version": 2
  }
}