Pith Number

pith:7GGIHHHQ

pith:2019:7GGIHHHQLD7VQZWCAS4GVABWEN

not attested not anchored not stored refs pending

AMRec: An Intelligent System for Academic Method Recommendation

Shanshan Huang, Xiaojun Wan, Xuewei Tang

arxiv:1904.04995 v1 · 2019-04-10 · cs.IR · cs.CL · 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{7GGIHHHQLD7VQZWCAS4GVABWEN}

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	2026-05-17T23:48:54.468188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f98c839cf058ff5866c204b86a8036235b6bd42e88e9b78b02e35c82df169dd9

Aliases

arxiv: 1904.04995 · arxiv_version: 1904.04995v1 · doi: 10.48550/arxiv.1904.04995 · pith_short_12: 7GGIHHHQLD7V · pith_short_16: 7GGIHHHQLD7VQZWC · pith_short_8: 7GGIHHHQ

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/7GGIHHHQLD7VQZWCAS4GVABWEN \
  | 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: f98c839cf058ff5866c204b86a8036235b6bd42e88e9b78b02e35c82df169dd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ce29897b910367292111f1f6a6e52c2774faf131dd099305e19604090071df9",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-04-10T03:49:37Z",
    "title_canon_sha256": "fc15d395889c8818b8ae7dad3eb88e5dc00bf835e4382c4a345d6fd7e1a67271"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04995",
    "kind": "arxiv",
    "version": 1
  }
}