Pith Number

pith:ZXGXK7VA

pith:2010:ZXGXK7VAEUPZ2LYTYRZRFUXL4K

not attested not anchored not stored refs pending

A Multi-hop Multi-source Algebraic Watchdog

Joao Barros, MinJi Kim, Muriel Medard

arxiv:1007.2088 v1 · 2010-07-13 · cs.CR · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZXGXK7VAEUPZ2LYTYRZRFUXL4K}

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	2026-05-18T00:58:19.456611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdcd757ea0251f9d2f13c47312d2ebe2a6d934014b4371d4a669dfa62d63bb0f

Aliases

arxiv: 1007.2088 · arxiv_version: 1007.2088v1 · doi: 10.48550/arxiv.1007.2088 · pith_short_12: ZXGXK7VAEUPZ · pith_short_16: ZXGXK7VAEUPZ2LYT · pith_short_8: ZXGXK7VA

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/ZXGXK7VAEUPZ2LYTYRZRFUXL4K \
  | 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: cdcd757ea0251f9d2f13c47312d2ebe2a6d934014b4371d4a669dfa62d63bb0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5af3fa4fbf985c880bf193f8014624d12eaf07ab2a56b59f4f5d4a2aef004dd1",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2010-07-13T12:43:04Z",
    "title_canon_sha256": "fe702277b820cae40dc90f18cdad029735b7e20090b2510e720091d05dda51f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.2088",
    "kind": "arxiv",
    "version": 1
  }
}