Pith Number

pith:XUIHPT44

pith:2012:XUIHPT44WBNFCXWZFJL5MUYDNV

not attested not anchored not stored refs pending

Secrecy Is Cheap if the Adversary Must Reconstruct

Curt Schieler, Paul Cuff

arxiv:1205.3853 v1 · 2012-05-17 · cs.IT · cs.CR · 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{XUIHPT44WBNFCXWZFJL5MUYDNV}

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	2026-05-18T03:55:24.298924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd1077cf9cb05a515ed92a57d653036d7a3d8e91e06ef442b223f02921a2e833

Aliases

arxiv: 1205.3853 · arxiv_version: 1205.3853v1 · doi: 10.48550/arxiv.1205.3853 · pith_short_12: XUIHPT44WBNF · pith_short_16: XUIHPT44WBNFCXWZ · pith_short_8: XUIHPT44

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/XUIHPT44WBNFCXWZFJL5MUYDNV \
  | 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: bd1077cf9cb05a515ed92a57d653036d7a3d8e91e06ef442b223f02921a2e833

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97b3e068976d081c79c1f1b857c7baecba0197b1a97a236e21a213743c4daacd",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-05-17T05:35:58Z",
    "title_canon_sha256": "a5aa0df27214023ad7b5b4d5e876ff1e1edefdff2dc2bb9ed5c90e08be85ec03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3853",
    "kind": "arxiv",
    "version": 1
  }
}