Pith Number

pith:62MH7PIT

pith:2013:62MH7PITYVMP4Y2PW3WZPF66EQ

not attested not anchored not stored refs pending

A model theoretic construction for layered semifields

Tal Perri

arxiv:1305.4523 v1 · 2013-05-20 · 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{62MH7PITYVMP4Y2PW3WZPF66EQ}

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	2026-05-18T03:25:23.478940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6987fbd13c558fe634fb6ed9797de2400b9c5bf56d5f05cd6dd1cdd1427615b

Aliases

arxiv: 1305.4523 · arxiv_version: 1305.4523v1 · doi: 10.48550/arxiv.1305.4523 · pith_short_12: 62MH7PITYVMP · pith_short_16: 62MH7PITYVMP4Y2P · pith_short_8: 62MH7PIT

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/62MH7PITYVMP4Y2PW3WZPF66EQ \
  | 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: f6987fbd13c558fe634fb6ed9797de2400b9c5bf56d5f05cd6dd1cdd1427615b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3da47680e55806188127dade15c7da842f83cf94d8c831e1f2764b106a2e078a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-05-20T13:25:00Z",
    "title_canon_sha256": "769b0e668b936b7fc8dc3111682619a45ff82376d01241767abfd1b07d3d1390"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4523",
    "kind": "arxiv",
    "version": 1
  }
}