Pith Number

pith:3ANWMPAW

pith:2008:3ANWMPAWXQKIFH2DMZBLAJN7VT

not attested not anchored not stored refs pending

Locating Restricted Facilities on Binary Maps

Cristina Teodora Andreica, Madalina Ecaterina Andreica, Mugurel Ionut Andreica

arxiv:0809.3528 v2 · 2008-09-20 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3ANWMPAWXQKIFH2DMZBLAJN7VT}

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	2026-05-18T03:35:02.565777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d81b663c16bc14829f436642b025bface2ebc0d61674cfa12d7619347c3de3cf

Aliases

arxiv: 0809.3528 · arxiv_version: 0809.3528v2 · doi: 10.48550/arxiv.0809.3528 · pith_short_12: 3ANWMPAWXQKI · pith_short_16: 3ANWMPAWXQKIFH2D · pith_short_8: 3ANWMPAW

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/3ANWMPAWXQKIFH2DMZBLAJN7VT \
  | 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: d81b663c16bc14829f436642b025bface2ebc0d61674cfa12d7619347c3de3cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4adaac9b203c80f76c95da7386b6e0aab85d22e21087f9063e4f3d940bd5af7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2008-09-20T20:06:34Z",
    "title_canon_sha256": "4e820ba36f9635de5d10eb39066584d5ae88fcbc71e7ecc14f868e4458dc14a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.3528",
    "kind": "arxiv",
    "version": 2
  }
}