Pith Number

pith:3SRHSKW2

pith:2011:3SRHSKW2CAAQLB5F5PBDFGLSNR

not attested not anchored not stored refs pending

Multiple Traveling Salesmen in Asymmetric Metrics

Zachary Friggstad

arxiv:1112.2930 v2 · 2011-12-13 · 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{3SRHSKW2CAAQLB5F5PBDFGLSNR}

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	2026-05-18T04:06:20.337693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dca2792ada10010587a5ebc23299726c640056ac892d5e7e935116e82211d5bb

Aliases

arxiv: 1112.2930 · arxiv_version: 1112.2930v2 · doi: 10.48550/arxiv.1112.2930 · pith_short_12: 3SRHSKW2CAAQ · pith_short_16: 3SRHSKW2CAAQLB5F · pith_short_8: 3SRHSKW2

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/3SRHSKW2CAAQLB5F5PBDFGLSNR \
  | 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: dca2792ada10010587a5ebc23299726c640056ac892d5e7e935116e82211d5bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89a7ccfa4e08846b41631525a68a88226445644dc12d5ba5d0286d5da64f733b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-12-13T15:59:58Z",
    "title_canon_sha256": "b77b5e5ddef1de3c4a56c714b7996d32bb1fbb17fb4b2dec6fdf37512d38556a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2930",
    "kind": "arxiv",
    "version": 2
  }
}