Pith Number

pith:7XWZMHCT

pith:2013:7XWZMHCTTBSGHB2EIXGD27J2TS

not attested not anchored not stored refs pending

On the order of indeterminate moment problems

Christian Berg, Ryszard Szwarc

arxiv:1310.0247 v1 · 2013-10-01 · math.CA · 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{7XWZMHCTTBSGHB2EIXGD27J2TS}

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	2026-05-18T00:52:02.446552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fded961c53986463874445cc3d7d3a9cb21676a5e0b1baf314f6285bb11dd062

Aliases

arxiv: 1310.0247 · arxiv_version: 1310.0247v1 · doi: 10.48550/arxiv.1310.0247 · pith_short_12: 7XWZMHCTTBSG · pith_short_16: 7XWZMHCTTBSGHB2E · pith_short_8: 7XWZMHCT

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/7XWZMHCTTBSGHB2EIXGD27J2TS \
  | 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: fded961c53986463874445cc3d7d3a9cb21676a5e0b1baf314f6285bb11dd062

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d06e66ea0093f88e6c9cd0ab0ff953d01a416ad64e7fd72c0fe5fa4e4de7819",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2013-10-01T11:28:05Z",
    "title_canon_sha256": "ad67c3100cf06e13bf5f0178fc0659be8869960dcc213611a36fe5d2017ae387"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0247",
    "kind": "arxiv",
    "version": 1
  }
}