Pith Number

pith:7R5FUKDH

pith:2000:7R5FUKDHYCQY774KUTE6YB4ZW4

not attested not anchored not stored refs pending

Characterisation of the probabilistic travelling salesman problem

Neill E. Bowler, Robin C. Ball, Thomas M. Fink

arxiv:physics/0011023 v2 · 2000-11-13 · physics.comp-ph · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7R5FUKDHYCQY774KUTE6YB4ZW4}

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	2026-05-18T03:24:21.095157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc7a5a2867c0a18fff8aa4c9ec0799b716285fdd4050385c43e447aab8e6e5ad

Aliases

arxiv: physics/0011023 · arxiv_version: physics/0011023v2 · doi: 10.48550/arxiv.physics/0011023 · pith_short_12: 7R5FUKDHYCQY · pith_short_16: 7R5FUKDHYCQY774K · pith_short_8: 7R5FUKDH

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/7R5FUKDHYCQY774KUTE6YB4ZW4 \
  | 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: fc7a5a2867c0a18fff8aa4c9ec0799b716285fdd4050385c43e447aab8e6e5ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b91b4e2ad82bcd153389597d12cdd0694cec158fa7a07593588733330120ad46",
    "cross_cats_sorted": [
      "physics.gen-ph"
    ],
    "license": "",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2000-11-13T10:45:36Z",
    "title_canon_sha256": "1ac123c454117408f6b54036773b7ed39a23e99627bdfdf83280b1cc5cbd37f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0011023",
    "kind": "arxiv",
    "version": 2
  }
}