Pith Number

pith:CYXH2PPV

pith:2023:CYXH2PPVM5Q636SR3V4EEPWDRM

not attested not anchored not stored refs pending

Etale descent obstruction and anabelian geometry of curves over finite fields

Brendan Creutz, Jose Felipe Voloch

arxiv:2306.04844 v3 · 2023-06-08 · 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{CYXH2PPVM5Q636SR3V4EEPWDRM}

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	2026-05-20T14:03:16.595957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

162e7d3df56761edfa51dd78423ec38b3b85404fc41aa4ad4f3f0e16d43f086d

Aliases

arxiv: 2306.04844 · arxiv_version: 2306.04844v3 · doi: 10.48550/arxiv.2306.04844 · pith_short_12: CYXH2PPVM5Q6 · pith_short_16: CYXH2PPVM5Q636SR · pith_short_8: CYXH2PPV

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/CYXH2PPVM5Q636SR3V4EEPWDRM \
  | 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: 162e7d3df56761edfa51dd78423ec38b3b85404fc41aa4ad4f3f0e16d43f086d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbbdac12ffa3ed20f6cb0742d0b9540409e9f1f8ba24cae07ee41f33c55a8d2b",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2023-06-08T00:35:34Z",
    "title_canon_sha256": "6427765a76236a24c7dddf74b0e206c39fc9d1cf19a11dad0b621306b01b96e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.04844",
    "kind": "arxiv",
    "version": 3
  }
}