pith. sign in
Pith Number

pith:2PYL7ASK

pith:2018:2PYL7ASKZQMDSO26QJEI5JYEWY
not attested not anchored not stored refs pending

Analysis of gamma-amino butyric acid in the germinated brown rice by pre-column derivatization with 2, 4-dinitrofluorobenzene

Hyok-Chol Ri, Jong-Ho Yun, Kye-Ryong Sin, Su-Ryon Ri

arxiv:1801.02289 v1 · 2018-01-08 · physics.chem-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2PYL7ASKZQMDSO26QJEI5JYEWY}

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 2026-05-18T00:26:32.157579Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d3f0bf824acc18393b5e82488ea704b63d341b6be9191333b95bdf81a2b1ae86

Aliases

arxiv: 1801.02289 · arxiv_version: 1801.02289v1 · doi: 10.48550/arxiv.1801.02289 · pith_short_12: 2PYL7ASKZQMD · pith_short_16: 2PYL7ASKZQMDSO26 · pith_short_8: 2PYL7ASK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2PYL7ASKZQMDSO26QJEI5JYEWY \
  | 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: d3f0bf824acc18393b5e82488ea704b63d341b6be9191333b95bdf81a2b1ae86
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "baa61120f4c0ac4c1a8d9d0f045ba239fd87efea508b5409a838ee68f9ee09a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2018-01-08T02:09:53Z",
    "title_canon_sha256": "0669bb6b1e7a877e76fa1a2d02c05dcc1f22aa3ec72ee858c1525759a3591c45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02289",
    "kind": "arxiv",
    "version": 1
  }
}