Pith Number

pith:4FJ6DL7A

pith:2011:4FJ6DL7AXRO2XHTOTPUAL52WGH

not attested not anchored not stored refs pending

Solution of a uniqueness problem in the discrete tomography of algebraic Delone sets

Christian Huck, Michael Spiess

arxiv:1101.4149 v1 · 2011-01-21 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FJ6DL7AXRO2XHTOTPUAL52WGH}

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	2026-05-18T03:26:23.386237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e153e1afe0bc5dab9e6e9be805f75631cfbf9fc100e44f6bac12273dd0a27e73

Aliases

arxiv: 1101.4149 · arxiv_version: 1101.4149v1 · doi: 10.48550/arxiv.1101.4149 · pith_short_12: 4FJ6DL7AXRO2 · pith_short_16: 4FJ6DL7AXRO2XHTO · pith_short_8: 4FJ6DL7A

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/4FJ6DL7AXRO2XHTOTPUAL52WGH \
  | 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: e153e1afe0bc5dab9e6e9be805f75631cfbf9fc100e44f6bac12273dd0a27e73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bdddd7a0672987879ded6402c26ea16d9e6edcfc7bbed13da1433d3864183de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2011-01-21T14:44:51Z",
    "title_canon_sha256": "6174ed85b2d5f8a7b06d028c55b4b9aa774ba913edc8493bae6262a93f8b4b60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4149",
    "kind": "arxiv",
    "version": 1
  }
}