Pith Number

pith:7HD3SPLN

pith:2019:7HD3SPLN6YNRJ777X4EYFU4FGU

not attested not anchored not stored refs pending

Empathic Autonomous Agents

Helena Lindgren, Juan Carlos Nieves, Timotheus Kampik

arxiv:1902.07781 v1 · 2019-02-20 · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7HD3SPLN6YNRJ777X4EYFU4FGU}

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	2026-05-17T23:53:03.897233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9c7b93d6df61b14ffffbf0982d385352079a7870a1cfe65c3abf721093a9c46

Aliases

arxiv: 1902.07781 · arxiv_version: 1902.07781v1 · doi: 10.48550/arxiv.1902.07781 · pith_short_12: 7HD3SPLN6YNR · pith_short_16: 7HD3SPLN6YNRJ777 · pith_short_8: 7HD3SPLN

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/7HD3SPLN6YNRJ777X4EYFU4FGU \
  | 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: f9c7b93d6df61b14ffffbf0982d385352079a7870a1cfe65c3abf721093a9c46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "229b1340055b36a93de903426e1134058cb98f89a5f11caf0381b9a481f85e1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2019-02-20T21:12:44Z",
    "title_canon_sha256": "57a0083b6bedc512d5a27bdb9b4b9d86aaff481df2db956d4dc6e2941095190d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07781",
    "kind": "arxiv",
    "version": 1
  }
}