Pith Number

pith:EY5FVFJZ

pith:2005:EY5FVFJZGFKBWH5R4KOGCUSA3P

not attested not anchored not stored refs pending

Chasing Silver

Andrzej Roslanowski, Juris Steprans

arxiv:math/0509392 v1 · 2005-09-17 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EY5FVFJZGFKBWH5R4KOGCUSA3P}

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	2026-05-18T03:37:19.379718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

263a5a953931541b1fb1e29c615240dbfde8b04e7d4c5257fe237eac71340961

Aliases

arxiv: math/0509392 · arxiv_version: math/0509392v1 · doi: 10.48550/arxiv.math/0509392 · pith_short_12: EY5FVFJZGFKB · pith_short_16: EY5FVFJZGFKBWH5R · pith_short_8: EY5FVFJZ

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/EY5FVFJZGFKBWH5R4KOGCUSA3P \
  | 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: 263a5a953931541b1fb1e29c615240dbfde8b04e7d4c5257fe237eac71340961

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eb3505b83a3279a4936ec49bbe3ba77f8a8e2adda759bd5473ede9d80a69cb1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.LO",
    "submitted_at": "2005-09-17T23:31:05Z",
    "title_canon_sha256": "1d7c20f9705cd8c7f15d941795d20fcba70c7f6a450fed88a3ea9af47ba90252"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0509392",
    "kind": "arxiv",
    "version": 1
  }
}