Pith Number

pith:65GH7BBZ

pith:2025:65GH7BBZ36QVVXWUI36CIJIBLW

not attested not anchored not stored refs pending

PFCS: Prime Factorization Cache System for Deterministic Data Relationship Discovery

Duy Le

arxiv:2507.03919 v1 · 2025-07-05 · cs.DB · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{65GH7BBZ36QVVXWUI36CIJIBLW}

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	2026-07-05T11:32:37.276474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f74c7f8439dfa15aded446fc2425015da08dc1c176acf422a1982d9590a0337b

Aliases

arxiv: 2507.03919 · arxiv_version: 2507.03919v1 · doi: 10.48550/arxiv.2507.03919 · pith_short_12: 65GH7BBZ36QV · pith_short_16: 65GH7BBZ36QVVXWU · pith_short_8: 65GH7BBZ

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/65GH7BBZ36QVVXWUI36CIJIBLW \
  | 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: f74c7f8439dfa15aded446fc2425015da08dc1c176acf422a1982d9590a0337b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "725f393cc89843cef382e6d69a0ccad74357cfa8bc7841e4572191ce61636fc7",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2025-07-05T06:55:45Z",
    "title_canon_sha256": "89b30aaa17ab761ca9e91011e23a99e65aea75b44a84e7e1205e412b413bc9ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.03919",
    "kind": "arxiv",
    "version": 1
  }
}