Pith Number

pith:6ICPJIPE

pith:2016:6ICPJIPEYM2WPTMFW3JH2SFXHR

not attested not anchored not stored refs pending

Having the same wild ramification is preserved by the direct image

Yuri Yatagawa

arxiv:1611.01966 v1 · 2016-11-07 · 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{6ICPJIPEYM2WPTMFW3JH2SFXHR}

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	2026-05-18T01:00:04.063862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f204f4a1e4c33567cd85b6d27d48b73c7ef239b38dfcfc5eb6c6af3587904349

Aliases

arxiv: 1611.01966 · arxiv_version: 1611.01966v1 · doi: 10.48550/arxiv.1611.01966 · pith_short_12: 6ICPJIPEYM2W · pith_short_16: 6ICPJIPEYM2WPTMF · pith_short_8: 6ICPJIPE

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/6ICPJIPEYM2WPTMFW3JH2SFXHR \
  | 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: f204f4a1e4c33567cd85b6d27d48b73c7ef239b38dfcfc5eb6c6af3587904349

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06b948c90d1f48eaab662c9867a65db122949c7aa4320b5bcefbe9269dc4812d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-11-07T10:14:57Z",
    "title_canon_sha256": "5f15e65df1c02c42b43b6256562b9d06d1555243b802a4f78e66de37e2bcb2dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01966",
    "kind": "arxiv",
    "version": 1
  }
}