Pith Number

pith:7R45QCS3

pith:2019:7R45QCS3FW3WPM6MRV2B5GHPZB

not attested not anchored not stored refs pending

New methodology for facilitating the food wastage quantification. Identifying gaps and data inconsistencies

2), 2) ((1) DeustoTech - Fundacion Deusto (2) Facultad Ingenieria, Ainhoa Alonso Vicario (1, Cristina Martin Andonegui (1, Cruz Enrique Borges (1, Hector Barco Cobalea (1, Iraia Oribe Garcia (1, Maria Virginia Vargas Viedma (1, Universidad de Deusto)

arxiv:1903.09312 v2 · 2019-03-07 · 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{7R45QCS3FW3WPM6MRV2B5GHPZB}

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	2026-05-17T23:47:01.576187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc79d80a5b2db767b3cc8d741e98efc8551b95a6d414ac6795584383b4b64194

Aliases

arxiv: 1903.09312 · arxiv_version: 1903.09312v2 · doi: 10.48550/arxiv.1903.09312 · pith_short_12: 7R45QCS3FW3W · pith_short_16: 7R45QCS3FW3WPM6M · pith_short_8: 7R45QCS3

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/7R45QCS3FW3WPM6MRV2B5GHPZB \
  | 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: fc79d80a5b2db767b3cc8d741e98efc8551b95a6d414ac6795584383b4b64194

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a1e42a3bfa9f92eefec1770ab4e2dc4af25a9543bb7aedb48e981b0001f44c0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-03-07T13:23:54Z",
    "title_canon_sha256": "aa08cb58400cbd362c4a5ebf6bfa3e32244ed0a2d15c13ee7367112797b5842e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09312",
    "kind": "arxiv",
    "version": 2
  }
}