Pith Number

pith:Z77M3YLY

pith:2026:Z77M3YLYRYCU2HGOSDWIEJQ3KB

not attested not anchored not stored refs pending

ESC-Skills: Discovering and Self-Evolving Skills for Emotional Support Conversations

Chi Zhang, Fang Kong, Feng Chen, Huaixia Dou, Jie Zhu, Junhui Li, Lifan Guo, Shuo Jiang

arxiv:2605.27908 v1 · 2026-05-27 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z77M3YLYRYCU2HGOSDWIEJQ3KB}

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	2026-05-28T01:04:52.115398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cffecde1788e054d1cce90ec82261b506dacf0e6de9fa4931738bf5d6ed29353

Aliases

arxiv: 2605.27908 · arxiv_version: 2605.27908v1 · doi: 10.48550/arxiv.2605.27908 · pith_short_12: Z77M3YLYRYCU · pith_short_16: Z77M3YLYRYCU2HGO · pith_short_8: Z77M3YLY

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/Z77M3YLYRYCU2HGOSDWIEJQ3KB \
  | 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: cffecde1788e054d1cce90ec82261b506dacf0e6de9fa4931738bf5d6ed29353

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc5af26fd6267ccfd1594831f52a69404e271850f13a2e404c6898ed9df44cbd",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-27T03:32:12Z",
    "title_canon_sha256": "0473b1f2f7d30279352b4868500f861bed84225fb0c556ae95abbd40095a9c33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27908",
    "kind": "arxiv",
    "version": 1
  }
}