Pith Number

pith:RBHQ7WAI

pith:2018:RBHQ7WAILBOOSUOA3H75ZXV5PD

not attested not anchored not stored refs pending

PDFS: Practical Data Feed Service for Smart Contracts

Juan Guarnizo, Pawel Szalachowski

arxiv:1808.06641 v2 · 2018-08-20 · 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{RBHQ7WAILBOOSUOA3H75ZXV5PD}

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	2026-05-17T23:42:08.667000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

884f0fd808585ce951c0d9ffdcdebd78f4405093aefcee377efad34b82dc2c74

Aliases

arxiv: 1808.06641 · arxiv_version: 1808.06641v2 · doi: 10.48550/arxiv.1808.06641 · pith_short_12: RBHQ7WAILBOO · pith_short_16: RBHQ7WAILBOOSUOA · pith_short_8: RBHQ7WAI

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/RBHQ7WAILBOOSUOA3H75ZXV5PD \
  | 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: 884f0fd808585ce951c0d9ffdcdebd78f4405093aefcee377efad34b82dc2c74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e92c0c817e3a50a631c1d24c1a9a40dd166331842559015fc4455bed9a9e5c93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-08-20T18:26:50Z",
    "title_canon_sha256": "cfe9b44052830e3a3d8c056c7c1575eaf3034b79a0562a723f0190a3426b692f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06641",
    "kind": "arxiv",
    "version": 2
  }
}