Pith Number

pith:RUQJGN5B

pith:2012:RUQJGN5BS5XE2TSYB5MRYWMNQM

not attested not anchored not stored refs pending

Improving the Asymmetric TSP by Considering Graph Structure

Jean-Guillaume Fages, Xavier Lorca

arxiv:1206.3437 v1 · 2012-06-15 · cs.DM · cs.AI · 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{RUQJGN5BS5XE2TSYB5MRYWMNQM}

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	2026-05-18T03:53:30.301292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d209337a1976e4d4e580f591c598d833cb4c7a983d57116b7a3de132715ac5b

Aliases

arxiv: 1206.3437 · arxiv_version: 1206.3437v1 · doi: 10.48550/arxiv.1206.3437 · pith_short_12: RUQJGN5BS5XE · pith_short_16: RUQJGN5BS5XE2TSY · pith_short_8: RUQJGN5B

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/RUQJGN5BS5XE2TSYB5MRYWMNQM \
  | 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: 8d209337a1976e4d4e580f591c598d833cb4c7a983d57116b7a3de132715ac5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfe8a0c35745870971f769ced6f6814286dafb9720761ea6e1f7495b3051493c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2012-06-15T12:15:31Z",
    "title_canon_sha256": "9f3c64e9b06763adb8fe72342b6de2bfbde968b5317d32753a0cefd4be0d0c9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.3437",
    "kind": "arxiv",
    "version": 1
  }
}