Pith Number

pith:WTESXGOW

pith:2018:WTESXGOWNYQ5VWGLV2ZJXFWVJ2

not attested not anchored not stored refs pending

Building and Querying Semantic Layers for Web Archives (Extended Version)

Helge Holzmann, Pavlos Fafalios, Vaibhav Kasturia, Wolfgang Nejdl

arxiv:1810.10455 v1 · 2018-10-24 · cs.DL · 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{WTESXGOWNYQ5VWGLV2ZJXFWVJ2}

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	2026-05-18T00:02:23.055298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4c92b99d66e21dad8cbaeb29b96d54eaf319d517e765855c73fbc628e5d2f28

Aliases

arxiv: 1810.10455 · arxiv_version: 1810.10455v1 · doi: 10.48550/arxiv.1810.10455 · pith_short_12: WTESXGOWNYQ5 · pith_short_16: WTESXGOWNYQ5VWGL · pith_short_8: WTESXGOW

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/WTESXGOWNYQ5VWGLV2ZJXFWVJ2 \
  | 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: b4c92b99d66e21dad8cbaeb29b96d54eaf319d517e765855c73fbc628e5d2f28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1d179b6bc5dabef77cc9b2da58b77f54aa8d9996daed2f54923580e06688862",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-10-24T15:32:42Z",
    "title_canon_sha256": "ddcdb77e9bf5dfc1e418b8372b69dd025ed65ebb4fda8fafa8940dffd2270991"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10455",
    "kind": "arxiv",
    "version": 1
  }
}