Pith Number

pith:5BSEC2OJ

pith:2019:5BSEC2OJ7ICXO6CCSSCPPX7AXY

not attested not anchored not stored refs pending

A Survey of Automatic Methods for Nutritional Assessment

Dag Johansen, H{\aa}vard D. Johansen, Lars Brenna

arxiv:1907.07245 v1 · 2019-07-09 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5BSEC2OJ7ICXO6CCSSCPPX7AXY}

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	2026-05-17T23:40:27.311769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8644169c9fa057778429484f7dfe0be342e95825a77a3674cb7be431f119d7e

Aliases

arxiv: 1907.07245 · arxiv_version: 1907.07245v1 · doi: 10.48550/arxiv.1907.07245 · pith_short_12: 5BSEC2OJ7ICX · pith_short_16: 5BSEC2OJ7ICXO6CC · pith_short_8: 5BSEC2OJ

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/5BSEC2OJ7ICXO6CCSSCPPX7AXY \
  | 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: e8644169c9fa057778429484f7dfe0be342e95825a77a3674cb7be431f119d7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d16becfe228962c57c5c649b5f963499f724484afc5f8bce56a3829fcd48fe7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-07-09T21:19:02Z",
    "title_canon_sha256": "86351fa7dbe073b57932de6d4fcc31d1a23d233d8ad7854a873d8ebeab2ed73c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07245",
    "kind": "arxiv",
    "version": 1
  }
}