Pith Number

pith:7A6ISFOE

pith:2021:7A6ISFOEQXSSXCW6QLG5YGPSU4

not attested not anchored not stored refs pending

Personalized Food Recommendation as Constrained Question Answering over a Large-scale Food Knowledge Graph

Ananya Subburathinam, Ching-Hua Chen, Mohammed J. Zaki, Yu Chen

arxiv:2101.01775 v1 · 2021-01-05 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7A6ISFOEQXSSXCW6QLG5YGPSU4}

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	2026-07-05T02:05:00.164909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f83c8915c485e52b8ade82cddc19f2a72907786ede7d4c904f69b84cd5ea3fd4

Aliases

arxiv: 2101.01775 · arxiv_version: 2101.01775v1 · doi: 10.48550/arxiv.2101.01775 · pith_short_12: 7A6ISFOEQXSS · pith_short_16: 7A6ISFOEQXSSXCW6 · pith_short_8: 7A6ISFOE

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/7A6ISFOEQXSSXCW6QLG5YGPSU4 \
  | 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: f83c8915c485e52b8ade82cddc19f2a72907786ede7d4c904f69b84cd5ea3fd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8f5e11eabaadbb8b778ab91134868210f2523570e5ccfa75e941e7998035df4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-01-05T20:38:16Z",
    "title_canon_sha256": "2a6f76285b516dbe8641e1ddc53582d0eebc2cb0990465e59f706bbc0efb062f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.01775",
    "kind": "arxiv",
    "version": 1
  }
}