Pith Number

pith:5OESOB2I

pith:2012:5OESOB2I2YC4MBCFPYCBMK6MHF

not attested not anchored not stored refs pending

Optimal obstacle placement with disambiguations

Elvan Ceyhan, Vural Aksakalli

arxiv:1201.5076 v3 · 2012-01-24 · stat.AP · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5OESOB2I2YC4MBCFPYCBMK6MHF}

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	2026-05-18T03:36:36.994512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb89270748d605c604457e04162bcc3971857d8a25b7fd36390d0542323689a3

Aliases

arxiv: 1201.5076 · arxiv_version: 1201.5076v3 · doi: 10.48550/arxiv.1201.5076 · pith_short_12: 5OESOB2I2YC4 · pith_short_16: 5OESOB2I2YC4MBCF · pith_short_8: 5OESOB2I

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/5OESOB2I2YC4MBCFPYCBMK6MHF \
  | 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: eb89270748d605c604457e04162bcc3971857d8a25b7fd36390d0542323689a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31ab3df1af2d557d9b83fd781b3037602d42323802d9e8641bc4c588b6b84ca2",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2012-01-24T18:20:47Z",
    "title_canon_sha256": "cf2520775554361fad0dbe1a142401b33fea99e5c9115f3c0e0248281c1453e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5076",
    "kind": "arxiv",
    "version": 3
  }
}