Pith Number

pith:3WNOI3J2

pith:2018:3WNOI3J2FCIFEQC5XFDK5HW37R

not attested not anchored not stored refs pending

Towards Emotion Recognition: A Persistent Entropy Application

E. Paluzo-Hidalgo, J.F. Quesada, R. Gonzalez-Diaz

arxiv:1811.09607 v1 · 2018-11-21 · cs.SD · cs.CL · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WNOI3J2FCIFEQC5XFDK5HW37R}

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	2026-05-17T23:50:44.755084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd9ae46d3a289052405db946ae9edbfc5821d915e48e387c2b666583c7adf5e9

Aliases

arxiv: 1811.09607 · arxiv_version: 1811.09607v1 · doi: 10.48550/arxiv.1811.09607 · pith_short_12: 3WNOI3J2FCIF · pith_short_16: 3WNOI3J2FCIFEQC5 · pith_short_8: 3WNOI3J2

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/3WNOI3J2FCIFEQC5XFDK5HW37R \
  | 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: dd9ae46d3a289052405db946ae9edbfc5821d915e48e387c2b666583c7adf5e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad9c9db47060819006fa6175f0fa1cf7b495711cf8630106d979c3fbedfe628f",
    "cross_cats_sorted": [
      "cs.CL",
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2018-11-21T19:20:43Z",
    "title_canon_sha256": "cc82a3ba33cefe06fe175068f49758b2b41d044a4af112fa1126761b91e0dc5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09607",
    "kind": "arxiv",
    "version": 1
  }
}