Pith Number

pith:Q2M7CNZ5

pith:2018:Q2M7CNZ5AGKX5AWGLC5FG2UMWF

not attested not anchored not stored refs pending

Graph based Question Answering System

Ajai Kumar, Bhargavi Neti, Debashri Das, Krishnanjan Bhattacharjee, Piyush Mital, Saurabh Agarwal, Swati Mehta, Vibhavari Kamble, Yashodhara Haribhakta

arxiv:1812.01828 v1 · 2018-12-05 · 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{Q2M7CNZ5AGKX5AWGLC5FG2UMWF}

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	2026-05-17T23:59:00.513186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8699f1373d01957e82c658ba536a8cb14ead238741b1ed6e680cd9119670588a

Aliases

arxiv: 1812.01828 · arxiv_version: 1812.01828v1 · doi: 10.48550/arxiv.1812.01828 · pith_short_12: Q2M7CNZ5AGKX · pith_short_16: Q2M7CNZ5AGKX5AWG · pith_short_8: Q2M7CNZ5

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/Q2M7CNZ5AGKX5AWGLC5FG2UMWF \
  | 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: 8699f1373d01957e82c658ba536a8cb14ead238741b1ed6e680cd9119670588a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a45990f86a546b048e4030999ffc79092e53d91c3970a11c552a492caff79558",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-12-05T06:31:48Z",
    "title_canon_sha256": "77c4b53d8b78b773708d84c2842fe2509ae27047c58f8ca32de21199fa43ed6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01828",
    "kind": "arxiv",
    "version": 1
  }
}