Pith Number

pith:QY5RW32X

pith:2018:QY5RW32XQJPNDSOR55YTKWP7QY

not attested not anchored not stored refs pending

Associated forms: current progress and open problems

A. V. Isaev

arxiv:1803.04005 v1 · 2018-03-11 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QY5RW32XQJPNDSOR55YTKWP7QY}

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	2026-05-18T00:21:33.206050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

863b1b6f57825ed1c9d1ef713559ff860c3aa99350cc4ca1203ae66a9fe822dd

Aliases

arxiv: 1803.04005 · arxiv_version: 1803.04005v1 · doi: 10.48550/arxiv.1803.04005 · pith_short_12: QY5RW32XQJPN · pith_short_16: QY5RW32XQJPNDSOR · pith_short_8: QY5RW32X

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/QY5RW32XQJPNDSOR55YTKWP7QY \
  | 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: 863b1b6f57825ed1c9d1ef713559ff860c3aa99350cc4ca1203ae66a9fe822dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dcfcf086eb91a7f55c341adcb195698d216610812ad5ab59431e67bc95f54a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2018-03-11T18:35:52Z",
    "title_canon_sha256": "c5da9b88247f383b103342e00a67ea65c95274b4599de392d21db9b68d5a2da8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04005",
    "kind": "arxiv",
    "version": 1
  }
}