Pith Number

pith:K4HE5HR7

pith:2015:K4HE5HR7X3P2FF62M5JPCSQBWQ

not attested not anchored not stored refs pending

Assisting Composition of Email Responses: a Topic Prediction Approach

Jean Michel Renders, Marc Dymetman, Spandana Gella, Sriram Venkatapathy

arxiv:1510.02049 v1 · 2015-10-07 · 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{K4HE5HR7X3P2FF62M5JPCSQBWQ}

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	2026-05-18T01:30:49.808435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

570e4e9e3fbedfa297da6752f14a01b41f32e442ae3ae748f16c3bc5b359f545

Aliases

arxiv: 1510.02049 · arxiv_version: 1510.02049v1 · doi: 10.48550/arxiv.1510.02049 · pith_short_12: K4HE5HR7X3P2 · pith_short_16: K4HE5HR7X3P2FF62 · pith_short_8: K4HE5HR7

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/K4HE5HR7X3P2FF62M5JPCSQBWQ \
  | 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: 570e4e9e3fbedfa297da6752f14a01b41f32e442ae3ae748f16c3bc5b359f545

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b8b558fcc0f64a12f1fec5341b2223801e698712836caf4154c674f809dcabc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-10-07T18:08:45Z",
    "title_canon_sha256": "2e13aeb9d26dab0e7b90e3a6fa71839bf099d97c377c488fae7bf0b503d4cfb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02049",
    "kind": "arxiv",
    "version": 1
  }
}