Pith Number

pith:IHCFFBU3

pith:2015:IHCFFBU3AQ632LJTVMLMUE5CLL

not attested not anchored not stored refs pending

Web Content Extraction - a Meta-Analysis of its Past and Thoughts on its Future

Paolo Merialdo, Rodrigo Palacios, Thomas Gottron, Tim Weninger, Valter Crescenzi

arxiv:1508.04066 v2 · 2015-08-17 · cs.IR · 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{IHCFFBU3AQ632LJTVMLMUE5CLL}

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	2026-05-18T01:35:06.216461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41c452869b043dbd2d33ab16ca13a25adc8c850fe3a74bc46a59cc8788a5fc5c

Aliases

arxiv: 1508.04066 · arxiv_version: 1508.04066v2 · doi: 10.48550/arxiv.1508.04066 · pith_short_12: IHCFFBU3AQ63 · pith_short_16: IHCFFBU3AQ632LJT · pith_short_8: IHCFFBU3

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/IHCFFBU3AQ632LJTVMLMUE5CLL \
  | 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: 41c452869b043dbd2d33ab16ca13a25adc8c850fe3a74bc46a59cc8788a5fc5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c16af45df19ae4ff3f3445a4fa1c82d49811257147446294430f42690f57f6cb",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-08-17T15:52:23Z",
    "title_canon_sha256": "ab0a5ca3aab0f30c96c31bbe3978f8e24b923881a7ea2131697f62e77f25fbf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04066",
    "kind": "arxiv",
    "version": 2
  }
}