Pith Number

pith:5WJJCD2Q

pith:2011:5WJJCD2QQ3RXQXIH3GU7LJ6FFP

not attested not anchored not stored refs pending

On the One-Dimentional Pompeiu Problem

Camillo Costantini, Vivina Barutello

arxiv:1110.1383 v1 · 2011-10-06 · 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{5WJJCD2QQ3RXQXIH3GU7LJ6FFP}

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	2026-05-18T04:11:30.219333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed92910f5086e3785d07d9a9f5a7c52bc201d423560f1771c6bd42c90ee1904b

Aliases

arxiv: 1110.1383 · arxiv_version: 1110.1383v1 · doi: 10.48550/arxiv.1110.1383 · pith_short_12: 5WJJCD2QQ3RX · pith_short_16: 5WJJCD2QQ3RXQXIH · pith_short_8: 5WJJCD2Q

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/5WJJCD2QQ3RXQXIH3GU7LJ6FFP \
  | 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: ed92910f5086e3785d07d9a9f5a7c52bc201d423560f1771c6bd42c90ee1904b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fccdb2165e3970101246cdf241e4e3d72400efaccb0e3286ec12155c1c27d2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2011-10-06T20:04:37Z",
    "title_canon_sha256": "693e3a247d068a2674020f66577e40f49a9bff5143805837456dbe1a3dae331a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.1383",
    "kind": "arxiv",
    "version": 1
  }
}