Pith Number

pith:RWAXCF5X

pith:2020:RWAXCF5X3LUJ5P33DAK5NUDR6G

not attested not anchored not stored refs pending

Towards A Personal Shopper's Dilemma: Time vs Cost

Francesco Lettich, Mario A. Nascimento, Samiul Anwar

arxiv:2008.11705 v2 · 2020-08-26 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RWAXCF5X3LUJ5P33DAK5NUDR6G}

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	2026-06-03T02:05:38.448597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d817117b7dae89ebf7b1815d6d071f19e6e776973dfaf3b79c660dd32d5f517

Aliases

arxiv: 2008.11705 · arxiv_version: 2008.11705v2 · doi: 10.48550/arxiv.2008.11705 · pith_short_12: RWAXCF5X3LUJ · pith_short_16: RWAXCF5X3LUJ5P33 · pith_short_8: RWAXCF5X

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/RWAXCF5X3LUJ5P33DAK5NUDR6G \
  | 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: 8d817117b7dae89ebf7b1815d6d071f19e6e776973dfaf3b79c660dd32d5f517

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03c67bc2a42fb0998b0436e5a64380f586fec0db08afd65a954b4edddedbf993",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2020-08-26T17:47:08Z",
    "title_canon_sha256": "fdf8ad584fe34babd81f7383c87ab802f5c628d3548eb8a0edc2965622722284"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.11705",
    "kind": "arxiv",
    "version": 2
  }
}