Pith Number

pith:7TOL37GV

pith:2011:7TOL37GVYHEBG72CA4K7L27VRZ

not attested not anchored not stored refs pending

Intelligent Self-Repairable Web Wrappers

Emilio Ferrara, Robert Baumgartner

arxiv:1106.3967 v1 · 2011-06-20 · cs.AI · 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{7TOL37GVYHEBG72CA4K7L27VRZ}

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	2026-05-18T04:02:37.525879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcdcbdfcd5c1c8137f420715f5ebf58e4999e78153632b686bd30c84d660b077

Aliases

arxiv: 1106.3967 · arxiv_version: 1106.3967v1 · doi: 10.48550/arxiv.1106.3967 · pith_short_12: 7TOL37GVYHEB · pith_short_16: 7TOL37GVYHEBG72C · pith_short_8: 7TOL37GV

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/7TOL37GVYHEBG72CA4K7L27VRZ \
  | 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: fcdcbdfcd5c1c8137f420715f5ebf58e4999e78153632b686bd30c84d660b077

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea3232930c18bc1c218adb4d984e0786bf6cf8fd47af8720078b4bb7468d56fc",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-06-20T17:02:40Z",
    "title_canon_sha256": "7181a9e49edf8410a9c5e06bb0b288577c12cb90ff76b570274b5ccdc0be2dd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3967",
    "kind": "arxiv",
    "version": 1
  }
}