Pith Number

pith:KYLQVLJP

pith:2011:KYLQVLJP2LFIUT2H4H4UVI4UEE

not attested not anchored not stored refs pending

The Open Annotation Collaboration (OAC) Model

Bernhard Haslhofer, Herbert Van de Sompel, Rainer Simon, Robert Sanderson

arxiv:1106.5178 v1 · 2011-06-25 · 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{KYLQVLJP2LFIUT2H4H4UVI4UEE}

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	2026-05-18T04:19:14.124667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56170aad2fd2ca8a4f47e1f94aa39421214f3a808b9620523c2ce1f1ebd2eeb5

Aliases

arxiv: 1106.5178 · arxiv_version: 1106.5178v1 · doi: 10.48550/arxiv.1106.5178 · pith_short_12: KYLQVLJP2LFI · pith_short_16: KYLQVLJP2LFIUT2H · pith_short_8: KYLQVLJP

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/KYLQVLJP2LFIUT2H4H4UVI4UEE \
  | 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: 56170aad2fd2ca8a4f47e1f94aa39421214f3a808b9620523c2ce1f1ebd2eeb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e795cd8dfd158656cbdb445ca20680688610d259ffe825b4c33bb3000cbade79",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "cs.DL",
    "submitted_at": "2011-06-25T22:55:17Z",
    "title_canon_sha256": "89c5baff76a717d97eedda98796f53cfedd293a654a43e977cac9dab5ed58cc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5178",
    "kind": "arxiv",
    "version": 1
  }
}