Pith Number

pith:2X4QMNUT

pith:2014:2X4QMNUTA3JPEAIYPFYTZPUTWZ

not attested not anchored not stored refs pending

Purine: A bi-graph based deep learning framework

Min Lin, Shuicheng Yan, Shuo Li, Xuan Luo

arxiv:1412.6249 v5 · 2014-12-19 · cs.NE · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2X4QMNUTA3JPEAIYPFYTZPUTWZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:18:40.562837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5f906369306d2f2011879713cbe93b66e04fa070fca40eac5fac15129d80f7a

Aliases

arxiv: 1412.6249 · arxiv_version: 1412.6249v5 · doi: 10.48550/arxiv.1412.6249 · pith_short_12: 2X4QMNUTA3JP · pith_short_16: 2X4QMNUTA3JPEAIY · pith_short_8: 2X4QMNUT

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/2X4QMNUTA3JPEAIYPFYTZPUTWZ \
  | 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: d5f906369306d2f2011879713cbe93b66e04fa070fca40eac5fac15129d80f7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a48305021f975dc0237ae3e163c861cfc34a6b98299d7d8ad95bc52bec011d92",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2014-12-19T08:20:10Z",
    "title_canon_sha256": "9da8aeec1420a38e50e62ad827c12d0aab6f48496edd2ec63f99d6780c0a33b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.6249",
    "kind": "arxiv",
    "version": 5
  }
}