Pith Number

pith:25EN6AL4

pith:2018:25EN6AL47PVM7MTRKQKG3XO5YN

not attested not anchored not stored refs pending

r-Instance Learning for Missing People Tweets Identification

Haoyan Liu, Jiawei Zhang, Philip S. Yu, Xia Hu, Xiaoming Zhang, Yang Yang, Zhoujun Li

arxiv:1805.10856 v2 · 2018-05-28 · cs.SI · 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{25EN6AL47PVM7MTRKQKG3XO5YN}

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	2026-05-18T00:14:13.465622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d748df017cfbeacfb27154146dddddc37e50453dc63851b298a1cce4f250fc57

Aliases

arxiv: 1805.10856 · arxiv_version: 1805.10856v2 · doi: 10.48550/arxiv.1805.10856 · pith_short_12: 25EN6AL47PVM · pith_short_16: 25EN6AL47PVM7MTR · pith_short_8: 25EN6AL4

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/25EN6AL47PVM7MTRKQKG3XO5YN \
  | 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: d748df017cfbeacfb27154146dddddc37e50453dc63851b298a1cce4f250fc57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c401e367d8ba299b9dace5860bdbcf4c67114c6d2245d0bc2a9d06103c641df5",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-05-28T10:36:41Z",
    "title_canon_sha256": "1ceba16b099b15cc10ab378b5476467cf0a71e291b31452d2fdc247a59b8653a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10856",
    "kind": "arxiv",
    "version": 2
  }
}