Pith Number

pith:XSU2WZSS

pith:2008:XSU2WZSSPDSHYZT27SL5MRBYIY

not attested not anchored not stored refs pending

Approximating a Behavioural Pseudometric without Discount for<br> Probabilistic Systems

Babita Sharma, Franck van Breugel, James Worrell

arxiv:0803.3796 v3 · 2008-03-26 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XSU2WZSSPDSHYZT27SL5MRBYIY}

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	2026-05-18T01:37:42.508601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bca9ab665278e47c667afc97d6443846091b75adfac189cc51e9ec590810f068

Aliases

arxiv: 0803.3796 · arxiv_version: 0803.3796v3 · doi: 10.48550/arxiv.0803.3796 · pith_short_12: XSU2WZSSPDSH · pith_short_16: XSU2WZSSPDSHYZT2 · pith_short_8: XSU2WZSS

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/XSU2WZSSPDSHYZT27SL5MRBYIY \
  | 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: bca9ab665278e47c667afc97d6443846091b75adfac189cc51e9ec590810f068

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "124bc4953f09cd73b1e0f3ae95aac0be3b71a267e9f4dc68260c1df0113ddb6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2008-03-26T19:08:40Z",
    "title_canon_sha256": "ecad5c568ff4b560e2b9d662e25ef44fbefdb9d5fcfcfea1f5870b394314747f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.3796",
    "kind": "arxiv",
    "version": 3
  }
}