Pith Number

pith:CO3X3NPD

pith:2018:CO3X3NPDLHCO7DZ6NRECJ2GG77

not attested not anchored not stored refs pending

FoodRepo: An Open Food Repository of Barcoded Food Products

Djilani Kebaili, Gianrocco Lazzari, Laura Symul, Marcel Salath\'e, Yannis Jaquet

arxiv:1801.10195 v1 · 2018-01-25 · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CO3X3NPDLHCO7DZ6NRECJ2GG77}

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	2026-05-18T00:10:38.546925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13b77db5e359c4ef8f3e6c4824e8c6ffe71af452f98ced848f30db9c5f0985ff

Aliases

arxiv: 1801.10195 · arxiv_version: 1801.10195v1 · doi: 10.48550/arxiv.1801.10195 · pith_short_12: CO3X3NPDLHCO · pith_short_16: CO3X3NPDLHCO7DZ6 · pith_short_8: CO3X3NPD

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/CO3X3NPDLHCO7DZ6NRECJ2GG77 \
  | 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: 13b77db5e359c4ef8f3e6c4824e8c6ffe71af452f98ced848f30db9c5f0985ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58d6e3878f237ff8b54eddb9e9fd935819bb1069ee77aa7aa68b5bae3cd7f1c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2018-01-25T16:22:33Z",
    "title_canon_sha256": "f6b972c72ecc47ac17e87102f52dc35f10615347027b4d4357c508e440b851ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.10195",
    "kind": "arxiv",
    "version": 1
  }
}