pith. sign in
Pith Number

pith:EDQEXAQI

pith:2018:EDQEXAQISEQ452SKDVKQYIVGDH
not attested not anchored not stored refs pending

Farey determinants matrix

Rogelio Tomas

arxiv:1809.08642 v1 · 2018-09-23 · math.NT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EDQEXAQISEQ452SKDVKQYIVGDH}

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 2026-05-18T00:05:03.922087Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

20e04b82089121ceea4a1d550c22a619c4d8f7fceaa3d82fe3867268b0062bd0

Aliases

arxiv: 1809.08642 · arxiv_version: 1809.08642v1 · doi: 10.48550/arxiv.1809.08642 · pith_short_12: EDQEXAQISEQ4 · pith_short_16: EDQEXAQISEQ452SK · pith_short_8: EDQEXAQI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EDQEXAQISEQ452SKDVKQYIVGDH \
  | 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: 20e04b82089121ceea4a1d550c22a619c4d8f7fceaa3d82fe3867268b0062bd0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7fc950b7b92408a89ac56ccf1f12051b701a01e4be6256da4c1c7a59d7c2fe7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2018-09-23T17:28:57Z",
    "title_canon_sha256": "bd8331b50c27aba0b936032be01ffff02276228999d805fa1e3b2884d205d302"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08642",
    "kind": "arxiv",
    "version": 1
  }
}