Pith Number

pith:ERQYPBYV

pith:2019:ERQYPBYVAWKULHOAW73O2VZKAX

not attested not anchored not stored refs pending

Deducing factoring methods through concrete material

Ivon Dorado, Ricardo Torres

arxiv:1904.03306 v1 · 2019-04-05 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ERQYPBYVAWKULHOAW73O2VZKAX}

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	2026-05-17T23:49:13.873540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24618787150595459dc0b7f6ed572a05d8cceb5989543331e3c112668a040cae

Aliases

arxiv: 1904.03306 · arxiv_version: 1904.03306v1 · doi: 10.48550/arxiv.1904.03306 · pith_short_12: ERQYPBYVAWKU · pith_short_16: ERQYPBYVAWKULHOA · pith_short_8: ERQYPBYV

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/ERQYPBYVAWKULHOAW73O2VZKAX \
  | 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: 24618787150595459dc0b7f6ed572a05d8cceb5989543331e3c112668a040cae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81a9ebe55fd0a21136112bef47eef581d3b3f1eb47587e22feaacb8764ec4a03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2019-04-05T22:13:18Z",
    "title_canon_sha256": "493c8f1db2c027ea7c10556ac90c70c7780078d113e5f4943a084ad67b3e8e3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03306",
    "kind": "arxiv",
    "version": 1
  }
}