Pith Number

pith:2BRA56EU

pith:2017:2BRA56EUUBJD4CEM5VDKNX65HJ

not attested not anchored not stored refs pending

The extension of some D(4)-pairs

Alan Filipin

arxiv:1705.08005 v1 · 2017-05-22 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2BRA56EUUBJD4CEM5VDKNX65HJ}

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	2026-05-18T00:37:58.484655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0620ef894a0523e088ced46a6dfdd3a59e6164fd84287d2ce215bd22758fdfa

Aliases

arxiv: 1705.08005 · arxiv_version: 1705.08005v1 · doi: 10.48550/arxiv.1705.08005 · pith_short_12: 2BRA56EUUBJD · pith_short_16: 2BRA56EUUBJD4CEM · pith_short_8: 2BRA56EU

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/2BRA56EUUBJD4CEM5VDKNX65HJ \
  | 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: d0620ef894a0523e088ced46a6dfdd3a59e6164fd84287d2ce215bd22758fdfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41fdb19a8244ab4ff405fb09ddb48bc13d27c4a347040d6c53a83cf3895b6972",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-05-22T21:09:03Z",
    "title_canon_sha256": "dce24d36a20a1affe1e565c44b988c70850aad9cf6de0cbd797a924eb4d9a33f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.08005",
    "kind": "arxiv",
    "version": 1
  }
}