Pith Number

pith:VYPTAQ6J

pith:2015:VYPTAQ6JIII4B6ZXJNQSNL64TL

not attested not anchored not stored refs pending

CrowdGather: Entity Extraction over Structured Domains

Aditya Parameswaran, Amol Deshpande, Theodoros Rekatsinas

arxiv:1502.06823 v1 · 2015-02-24 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VYPTAQ6JIII4B6ZXJNQSNL64TL}

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	2026-05-18T02:26:24.587034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae1f3043c94211c0fb374b6126afdc9af4f8394cc37b062052594d0d6b05e238

Aliases

arxiv: 1502.06823 · arxiv_version: 1502.06823v1 · doi: 10.48550/arxiv.1502.06823 · pith_short_12: VYPTAQ6JIII4 · pith_short_16: VYPTAQ6JIII4B6ZX · pith_short_8: VYPTAQ6J

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/VYPTAQ6JIII4B6ZXJNQSNL64TL \
  | 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: ae1f3043c94211c0fb374b6126afdc9af4f8394cc37b062052594d0d6b05e238

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d390d7a5f7b3f44ac2a7531bd3bbdcf638d3de1875f2e05067934ec74e967320",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-02-24T14:41:15Z",
    "title_canon_sha256": "bb261fc076a102de61e938d6420f70b1b1db013f60befb52c3d426be8e6ae5de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06823",
    "kind": "arxiv",
    "version": 1
  }
}