Pith Number

pith:C3OB25UW

pith:2010:C3OB25UW63PZMNUI72OOJY47CR

not attested not anchored not stored refs pending

Secure Operations on Tree-Formed Verification Data

Andreas Leicher, Andreas U. Schmidt, Inhyok Cha, Yogendra Shah

arxiv:1008.3253 v1 · 2010-08-19 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C3OB25UW63PZMNUI72OOJY47CR}

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	2026-05-18T04:42:03.037552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16dc1d7696f6df963688fe9ce4e39f14617f826ebbabcd96f1031da46d41b606

Aliases

arxiv: 1008.3253 · arxiv_version: 1008.3253v1 · doi: 10.48550/arxiv.1008.3253 · pith_short_12: C3OB25UW63PZ · pith_short_16: C3OB25UW63PZMNUI · pith_short_8: C3OB25UW

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/C3OB25UW63PZMNUI72OOJY47CR \
  | 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: 16dc1d7696f6df963688fe9ce4e39f14617f826ebbabcd96f1031da46d41b606

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56006a058faa6cb6d0c224018e61791a20c59611c32cc38fc0211c4d322519cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2010-08-19T09:29:22Z",
    "title_canon_sha256": "013fde2c33849d912d313b5b04876a86bf48267baea590e5c357c1c296af5d3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3253",
    "kind": "arxiv",
    "version": 1
  }
}