Pith Number

pith:55N2RNCE

pith:2019:55N2RNCEF5CYKC55KPARNP5DA3

not attested not anchored not stored refs pending

A system for the 2019 Sentiment, Emotion and Cognitive State Task of DARPAs LORELEI project

Anil Ramakrishna, Karan Singla, Ming-Chang Chiu, Shrikanth Narayanan, Victor R Martinez

arxiv:1905.00472 v1 · 2019-05-01 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55N2RNCEF5CYKC55KPARNP5DA3}

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	2026-07-05T00:40:55.173623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef5ba8b4442f45850bbd53c116bfa306e715de272e4190c2e8ef6f75bd1e466a

Aliases

arxiv: 1905.00472 · arxiv_version: 1905.00472v1 · doi: 10.48550/arxiv.1905.00472 · pith_short_12: 55N2RNCEF5CY · pith_short_16: 55N2RNCEF5CYKC55 · pith_short_8: 55N2RNCE

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/55N2RNCEF5CYKC55KPARNP5DA3 \
  | 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: ef5ba8b4442f45850bbd53c116bfa306e715de272e4190c2e8ef6f75bd1e466a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c736f35e458525aeff57a74bdd03cd65b9970915ade4c7124b0430a079cdb235",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-05-01T19:55:46Z",
    "title_canon_sha256": "923a404a6fb094e1be65cca08cf8e4a224d2cb571082663e1c2990bedfbb2d97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00472",
    "kind": "arxiv",
    "version": 1
  }
}