Pith Number

pith:KA4HGDSI

pith:2017:KA4HGDSI6HCMAPKQWLBFBZOXK4

not attested not anchored not stored refs pending

Constructing a Hierarchical User Interest Structure based on User Profiles

Chao Zhao, Min Zhao, Yi Guan

arxiv:1709.06918 v1 · 2017-09-20 · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KA4HGDSI6HCMAPKQWLBFBZOXK4}

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	2026-05-18T00:34:40.064030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5038730e48f1c4c03d50b2c250e5d757119a2c6be249f746203638c6caabffd4

Aliases

arxiv: 1709.06918 · arxiv_version: 1709.06918v1 · doi: 10.48550/arxiv.1709.06918 · pith_short_12: KA4HGDSI6HCM · pith_short_16: KA4HGDSI6HCMAPKQ · pith_short_8: KA4HGDSI

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/KA4HGDSI6HCMAPKQWLBFBZOXK4 \
  | 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: 5038730e48f1c4c03d50b2c250e5d757119a2c6be249f746203638c6caabffd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73fff1600131d1d23553ad6a2ee15f0608c25335b9fa9fd9f2a3a59394f681a7",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-09-20T15:03:51Z",
    "title_canon_sha256": "0db51d50b435f4585ba6636283c8d09b1174231be3d4f77ab292c250f1523814"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06918",
    "kind": "arxiv",
    "version": 1
  }
}