Pith Number

pith:ACGKL5I5

pith:2019:ACGKL5I5VKFD2ELJLHAD7HJ3B4

not attested not anchored not stored refs pending

Investigating Retrieval Method Selection with Axiomatic Features

Andrew Yates, Siddhant Arora

arxiv:1904.05737 v1 · 2019-04-11 · 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{ACGKL5I5VKFD2ELJLHAD7HJ3B4}

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	2026-05-17T23:48:48.614385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

008ca5f51daa8a3d116959c03f9d3b0f265de302f77786f88815410795a24378

Aliases

arxiv: 1904.05737 · arxiv_version: 1904.05737v1 · doi: 10.48550/arxiv.1904.05737 · pith_short_12: ACGKL5I5VKFD · pith_short_16: ACGKL5I5VKFD2ELJ · pith_short_8: ACGKL5I5

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/ACGKL5I5VKFD2ELJLHAD7HJ3B4 \
  | 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: 008ca5f51daa8a3d116959c03f9d3b0f265de302f77786f88815410795a24378

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7465711ffaf28142007a508a3a4ce071872c0e38ede10f2eecee02a993b5f3d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-04-11T14:50:58Z",
    "title_canon_sha256": "e64ad10fad398fb667f0dddae6429452055f51ceb8f1cfebfe7a3f6c3f6553fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05737",
    "kind": "arxiv",
    "version": 1
  }
}