Pith Number

pith:PR3XR3ZO

pith:2025:PR3XR3ZOWJ2CAYRNLNKKZTJK5D

not attested not anchored not stored refs pending

Wrangling Entropy: Next-Generation Multi-Factor Key Derivation, Credential Hashing, and Credential Generation Functions

Colin Roberts, Dawn Song, Vivek Nair

arxiv:2509.05893 v1 · 2025-09-07 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PR3XR3ZOWJ2CAYRNLNKKZTJK5D}

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	2026-07-05T12:06:26.067033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c7778ef2eb27420622d5b54accd2ae8ce239d26ff28498615fef1b4c96f6b0a

Aliases

arxiv: 2509.05893 · arxiv_version: 2509.05893v1 · doi: 10.48550/arxiv.2509.05893 · pith_short_12: PR3XR3ZOWJ2C · pith_short_16: PR3XR3ZOWJ2CAYRN · pith_short_8: PR3XR3ZO

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/PR3XR3ZOWJ2CAYRNLNKKZTJK5D \
  | 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: 7c7778ef2eb27420622d5b54accd2ae8ce239d26ff28498615fef1b4c96f6b0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff91d643b6de4459fe9a55fe891a3b8b8fc3e6797f948d874fd816422197d7f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-09-07T02:01:53Z",
    "title_canon_sha256": "e6d713e7014cbe3dd3a6c3189cb5fe90babf4ba96484d60edd8f5d0037e8f410"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.05893",
    "kind": "arxiv",
    "version": 1
  }
}