Pith Number

pith:IQY457AQ

pith:2017:IQY457AQAJ4M553IXYSC4VWOKW

not attested not anchored not stored refs pending

Algorithmically generated subject categories based on citation relations: An empirical micro study using papers on overall water splitting

Hermann Schier, Lutz Bornmann, Robin Haunschild, Werner Marx

arxiv:1709.02955 v3 · 2017-09-09 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IQY457AQAJ4M553IXYSC4VWOKW}

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	2026-05-18T00:18:25.672071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4431cefc100278cef768be242e56ce559649989f901d739519f4753fd3b470d9

Aliases

arxiv: 1709.02955 · arxiv_version: 1709.02955v3 · doi: 10.48550/arxiv.1709.02955 · pith_short_12: IQY457AQAJ4M · pith_short_16: IQY457AQAJ4M553I · pith_short_8: IQY457AQ

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/IQY457AQAJ4M553IXYSC4VWOKW \
  | 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: 4431cefc100278cef768be242e56ce559649989f901d739519f4753fd3b470d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "593155b30ceaea2e433df214eba00d21dc02d4383bbf7e65c03f12486b927358",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2017-09-09T13:45:21Z",
    "title_canon_sha256": "51148d200c9b36e29ae7bf426f8d3b65cea299d392f27be8acc8ea324e6e61ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02955",
    "kind": "arxiv",
    "version": 3
  }
}