Pith Number

pith:X7ZO3SB4

pith:2022:X7ZO3SB4ZDHYACF5OTZFAB6IOE

not attested not anchored not stored refs pending

MealRec: A Meal Recommendation Dataset

Jingling Yuan, Lin Li, Ming Li, Qing Xie, Xiaohui Tao

arxiv:2205.12133 v1 · 2022-05-24 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X7ZO3SB4ZDHYACF5OTZFAB6IOE}

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	2026-07-05T04:26:11.687168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bff2edc83cc8cf8008bd74f25007c8713036fb064ef7948df6625ed6116149d6

Aliases

arxiv: 2205.12133 · arxiv_version: 2205.12133v1 · doi: 10.48550/arxiv.2205.12133 · pith_short_12: X7ZO3SB4ZDHY · pith_short_16: X7ZO3SB4ZDHYACF5 · pith_short_8: X7ZO3SB4

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/X7ZO3SB4ZDHYACF5OTZFAB6IOE \
  | 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: bff2edc83cc8cf8008bd74f25007c8713036fb064ef7948df6625ed6116149d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96025493b00f3d75628c50d6ce96981e96718fd7213b9b1e2c30473ebaadde21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-05-24T15:09:43Z",
    "title_canon_sha256": "b7850682a8b52af5323de2bed921f2ba0dd1420f1cfd17e585a52eb87101f180"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.12133",
    "kind": "arxiv",
    "version": 1
  }
}