Pith Number

pith:7HW6LLSD

pith:2026:7HW6LLSDWXR6PGKIKFCYRWYX3S

not attested not anchored not stored refs pending

A Deterministic Binary Fingerprinting Framework with Zero-Trained Feature Extraction for Sparse Count Matrices

Fujin Huang, Lei Zhao, Ling Kang, Quan Guo

arxiv:2607.14596 v1 · 2026-07-16 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7HW6LLSDWXR6PGKIKFCYRWYX3S}

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	2026-07-17T01:21:20.129931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9ede5ae43b5e3e79948514588db17dc837285550a83726179f88ba1a83c626c

Aliases

arxiv: 2607.14596 · arxiv_version: 2607.14596v1 · doi: 10.48550/arxiv.2607.14596 · pith_short_12: 7HW6LLSDWXR6 · pith_short_16: 7HW6LLSDWXR6PGKI · pith_short_8: 7HW6LLSD

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/7HW6LLSDWXR6PGKIKFCYRWYX3S \
  | 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: f9ede5ae43b5e3e79948514588db17dc837285550a83726179f88ba1a83c626c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5907c56cc5386b66662571bd1464ef95a506578f0a0fefc0f0e9c52c3f79f37a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-16T05:47:52Z",
    "title_canon_sha256": "74d763898a364e9f8b97c2aa7cae829311478943dc984af3db470b4f61b09962"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.14596",
    "kind": "arxiv",
    "version": 1
  }
}