Pith Number

pith:SZMAIDLD

pith:2005:SZMAIDLDWU2SXFTPNMZFJWY56V

not attested not anchored not stored refs pending

Reconstructing Websites for the Lazy Webmaster

Frank McCown, Joan A. Smith, Johan Bollen, Michael L. Nelson

arxiv:cs/0512069 v1 · 2005-12-16 · cs.IR · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SZMAIDLDWU2SXFTPNMZFJWY56V}

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	2026-05-18T04:08:54.110915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9658040d63b5352b966f6b3254db1df54dfbd17f5f430bf79501fbb3e1c84ece

Aliases

arxiv: cs/0512069 · arxiv_version: cs/0512069v1 · doi: 10.48550/arxiv.cs/0512069 · pith_short_12: SZMAIDLDWU2S · pith_short_16: SZMAIDLDWU2SXFTP · pith_short_8: SZMAIDLD

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/SZMAIDLDWU2SXFTPNMZFJWY56V \
  | 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: 9658040d63b5352b966f6b3254db1df54dfbd17f5f430bf79501fbb3e1c84ece

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28ab391603f81f71e0bfdc909a1fb57d426b3ce26764a96e7df714668e7047ea",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "",
    "primary_cat": "cs.IR",
    "submitted_at": "2005-12-16T16:02:13Z",
    "title_canon_sha256": "4fb7dcb0d924dbe57d2e1b01c148c487221df45bfcecdbec34b31761b21a7b15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0512069",
    "kind": "arxiv",
    "version": 1
  }
}