Pith Number

pith:4MRH4LTV

pith:2021:4MRH4LTVDBEQWM74SKXTG4A6I3

not attested not anchored not stored refs pending

Secure Access Control for DAG-based Distributed Ledgers

Andrew Cullen, Lianna Zhao, Luigi Vigneri, Pietro Ferraro, Robert Shorten, William Sanders

arxiv:2107.10238 v1 · 2021-07-20 · 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{4MRH4LTVDBEQWM74SKXTG4A6I3}

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	2026-07-05T02:59:50.272805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3227e2e7518490b33fc92af33701e46fe82facb8f0c9cc9e5710e5aac13ea41

Aliases

arxiv: 2107.10238 · arxiv_version: 2107.10238v1 · doi: 10.48550/arxiv.2107.10238 · pith_short_12: 4MRH4LTVDBEQ · pith_short_16: 4MRH4LTVDBEQWM74 · pith_short_8: 4MRH4LTV

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/4MRH4LTVDBEQWM74SKXTG4A6I3 \
  | 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: e3227e2e7518490b33fc92af33701e46fe82facb8f0c9cc9e5710e5aac13ea41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad7e707ed06422f872a548e2f4822b5aefb2be5eb9aa8339be2ff09789af7315",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-07-20T09:30:37Z",
    "title_canon_sha256": "08e6f6e993626b36a812ecc3b782accb67089008025201791ac0889d42817062"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.10238",
    "kind": "arxiv",
    "version": 1
  }
}