Pith Number

pith:IFVXFS4I

pith:2020:IFVXFS4I4HNU4QR22URF45BFT6

not attested not anchored not stored refs pending

Solving the Travelling Thief Problem based on Item Selection Weight and Reverse Order Allocation

Dongya Wang, Lei Yang, Peipei Kang, Wensheng Zhang, Xiaotian Jia, Zitong Zhang

arxiv:2012.08888 v1 · 2020-12-16 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IFVXFS4I4HNU4QR22URF45BFT6}

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	2026-07-05T02:00:04.502933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

416b72cb88e1db4e423ad5225e74259fa4bfd3e409cd82ead9b867c213bafd6d

Aliases

arxiv: 2012.08888 · arxiv_version: 2012.08888v1 · doi: 10.48550/arxiv.2012.08888 · pith_short_12: IFVXFS4I4HNU · pith_short_16: IFVXFS4I4HNU4QR2 · pith_short_8: IFVXFS4I

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/IFVXFS4I4HNU4QR22URF45BFT6 \
  | 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: 416b72cb88e1db4e423ad5225e74259fa4bfd3e409cd82ead9b867c213bafd6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c7127b0f428eb540644db3987ef0f84e6d6c3db5f7ba26e124f19bee5caa07f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2020-12-16T12:06:05Z",
    "title_canon_sha256": "a54cdf878e3f4255f2a4581f582c97bbc441be3fd07727c2668f084e6532c696"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.08888",
    "kind": "arxiv",
    "version": 1
  }
}