Pith Number

pith:CF5KEJJR

pith:2017:CF5KEJJRFV3IV74NAYUZBRHULN

not attested not anchored not stored refs pending

Impact of URI Canonicalization on Memento Count

Herbert Van de Sompel, Lulwah M. Alkwai, Mat Kelly, Michael L. Nelson, Michele C. Weigle

arxiv:1703.03302 v1 · 2017-03-09 · 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{CF5KEJJRFV3IV74NAYUZBRHULN}

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	2026-05-17T23:46:04.629331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

117aa225312d768aff8d062990c4f45b5a555d42ba5ceb1442714911de5cc49a

Aliases

arxiv: 1703.03302 · arxiv_version: 1703.03302v1 · doi: 10.48550/arxiv.1703.03302 · pith_short_12: CF5KEJJRFV3I · pith_short_16: CF5KEJJRFV3IV74N · pith_short_8: CF5KEJJR

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/CF5KEJJRFV3IV74NAYUZBRHULN \
  | 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: 117aa225312d768aff8d062990c4f45b5a555d42ba5ceb1442714911de5cc49a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de1ad3c9d87eb686087629099cbc93dddf6824e5affb50a673aca2af5c06cfd2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2017-03-09T15:46:08Z",
    "title_canon_sha256": "79ae7cc6f948d6bb981e48b002c5169a73ad119d62208733917836aac8ddaa73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03302",
    "kind": "arxiv",
    "version": 1
  }
}