Pith Number

pith:SPSD3XSN

pith:2015:SPSD3XSNLEYNECYTSRZWWFKWW6

not attested not anchored not stored refs pending

Techniques for Deep Query Understanding

Abhay Prakash, Dhaval Patel

arxiv:1505.05187 v1 · 2015-05-19 · 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{SPSD3XSNLEYNECYTSRZWWFKWW6}

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	2026-05-18T02:03:59.187705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93e43dde4d5930d20b1394736b1556b7a471f8323566cac341f1a3128f416aac

Aliases

arxiv: 1505.05187 · arxiv_version: 1505.05187v1 · doi: 10.48550/arxiv.1505.05187 · pith_short_12: SPSD3XSNLEYN · pith_short_16: SPSD3XSNLEYNECYT · pith_short_8: SPSD3XSN

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/SPSD3XSNLEYNECYTSRZWWFKWW6 \
  | 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: 93e43dde4d5930d20b1394736b1556b7a471f8323566cac341f1a3128f416aac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d5cfe15ae534c9132afc1e9397c1814fdcad1848e4f2f0c979a1bea4316be2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-05-19T21:02:44Z",
    "title_canon_sha256": "f1aef77e38a47b6ab605b4a9cf1fd55d6a022d469006fa93a190f8bcb41a3d9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05187",
    "kind": "arxiv",
    "version": 1
  }
}