Pith Number

pith:Q2HPNCPJ

pith:2026:Q2HPNCPJLPZVLCTP3S42AJN3T3

not attested not anchored not stored refs pending

Parent-Hash DAG: A Cost Analysis of Constant-Time Append for On-Chain Registries

Fernando Paredes Garcia, Ian C. Moore

arxiv:2606.09593 v1 · 2026-06-08 · cs.DC · 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{Q2HPNCPJLPZVLCTP3S42AJN3T3}

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	2026-06-09T02:08:57.852385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

868ef689e95bf3558a6fdcb9a025bb9ef9134163606f7c03eb54e56714acb4b7

Aliases

arxiv: 2606.09593 · arxiv_version: 2606.09593v1 · doi: 10.48550/arxiv.2606.09593 · pith_short_12: Q2HPNCPJLPZV · pith_short_16: Q2HPNCPJLPZVLCTP · pith_short_8: Q2HPNCPJ

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/Q2HPNCPJLPZVLCTP3S42AJN3T3 \
  | 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: 868ef689e95bf3558a6fdcb9a025bb9ef9134163606f7c03eb54e56714acb4b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fc4195b04d20ad903beec4bbf7a73689077b469bb993ffe005f9e7611e0eeb2",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2026-06-08T15:03:44Z",
    "title_canon_sha256": "dce60a3725b718265029e1efee329f0974f4ebcbffadb255f4e98f540c995d38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.09593",
    "kind": "arxiv",
    "version": 1
  }
}