Pith Number

pith:HVLFWSH7

pith:2018:HVLFWSH7RHBLNQ6UWDWBDH6Y6Q

not attested not anchored not stored refs pending

Identifiers for MRD-codes

Ferdinando Zullo, Luca Giuzzi

arxiv:1807.09476 v3 · 2018-07-25 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HVLFWSH7RHBLNQ6UWDWBDH6Y6Q}

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	2026-05-17T23:48:40.311905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d565b48ff89c2b6c3d4b0ec119fd8f432f306628a11b03ff3b89371c48a1f2d

Aliases

arxiv: 1807.09476 · arxiv_version: 1807.09476v3 · doi: 10.48550/arxiv.1807.09476 · pith_short_12: HVLFWSH7RHBL · pith_short_16: HVLFWSH7RHBLNQ6U · pith_short_8: HVLFWSH7

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/HVLFWSH7RHBLNQ6UWDWBDH6Y6Q \
  | 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: 3d565b48ff89c2b6c3d4b0ec119fd8f432f306628a11b03ff3b89371c48a1f2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "505185b6bf2133c3fc15ae6941727fc74d8f80ae6a1115f0907419487fa1eafc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-07-25T08:24:11Z",
    "title_canon_sha256": "7e207d2b603a128a8c41d8552454c023699a0ae96d8e74201c7ed10ec0f2ac86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09476",
    "kind": "arxiv",
    "version": 3
  }
}