Pith Number

pith:XAS6ATPL

pith:2017:XAS6ATPL33GTREKSNR34J3SPCK

not attested not anchored not stored refs pending

On a problem of Janusz Matkowski and Jacek Weso{\l}owski

Janusz Morawiec, Thomas Z\"urcher

arxiv:1703.08459 v1 · 2017-03-24 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XAS6ATPL33GTREKSNR34J3SPCK}

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	2026-05-18T00:47:59.895116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b825e04debdecd3891526c77c4ee4f129813199d16cd82a7178057249b58fcae

Aliases

arxiv: 1703.08459 · arxiv_version: 1703.08459v1 · doi: 10.48550/arxiv.1703.08459 · pith_short_12: XAS6ATPL33GT · pith_short_16: XAS6ATPL33GTREKS · pith_short_8: XAS6ATPL

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/XAS6ATPL33GTREKSNR34J3SPCK \
  | 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: b825e04debdecd3891526c77c4ee4f129813199d16cd82a7178057249b58fcae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77ef2b56b1b8d4e61f67d03fec16f8eec3fae5ef85f732649445019e3c0b9453",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-03-24T15:24:35Z",
    "title_canon_sha256": "b547c95bf14491b8bac385e5a50be8113707191969106754b83f88b885e4334d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08459",
    "kind": "arxiv",
    "version": 1
  }
}