Pith Number

pith:SIA6QQVR

pith:2023:SIA6QQVRPU4HT42WH73PTNBDMI

not attested not anchored not stored refs pending

Making Changes in Webpages Discoverable: A Change-Text Search Interface for Web Archives

Lesley Frew, Michael L. Nelson, Michele C. Weigle

arxiv:2305.00546 v1 · 2023-04-30 · cs.IR · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SIA6QQVRPU4HT42WH73PTNBDMI}

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	2026-07-05T06:05:42.679149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9201e842b17d3879f3563ff6f9b423623d647f88f490b62f9c3ebf6d277512eb

Aliases

arxiv: 2305.00546 · arxiv_version: 2305.00546v1 · doi: 10.48550/arxiv.2305.00546 · pith_short_12: SIA6QQVRPU4H · pith_short_16: SIA6QQVRPU4HT42W · pith_short_8: SIA6QQVR

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/SIA6QQVRPU4HT42WH73PTNBDMI \
  | 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: 9201e842b17d3879f3563ff6f9b423623d647f88f490b62f9c3ebf6d277512eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7acff21f3901330d0e6dc30076ae61f9c7dd2e13916a05be8f8ddfea59bdf1e8",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2023-04-30T18:16:06Z",
    "title_canon_sha256": "8a161936570a564057ebe7da0d43f0140dd931a108bd0fedf0e01773a13103af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.00546",
    "kind": "arxiv",
    "version": 1
  }
}