Pith Number

pith:Q2MFIW77

pith:2025:Q2MFIW77YW4R4FN4WXDULPKIS4

not attested not anchored not stored refs pending

A TRNG Implemented using a Soft-Data Based Sponge Function within a Unified Strong PUF Architecture

Calvin Chan, Cyrus Minwalla, Jim Plusquellic, Rachel Cazzola

arxiv:2506.17795 v1 · 2025-06-21 · 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{Q2MFIW77YW4R4FN4WXDULPKIS4}

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	2026-07-05T11:25:23.355911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8698545bffc5b91e15bcb5c745bd489713db9850de5c032b780e9eb1cb697219

Aliases

arxiv: 2506.17795 · arxiv_version: 2506.17795v1 · doi: 10.48550/arxiv.2506.17795 · pith_short_12: Q2MFIW77YW4R · pith_short_16: Q2MFIW77YW4R4FN4 · pith_short_8: Q2MFIW77

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/Q2MFIW77YW4R4FN4WXDULPKIS4 \
  | 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: 8698545bffc5b91e15bcb5c745bd489713db9850de5c032b780e9eb1cb697219

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "709e6330630e269a861c80d0822b25ec7afc11aea95da6c1a80453954c6f132d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-06-21T19:23:17Z",
    "title_canon_sha256": "29960c29b1d5954d844dfbb9c91a0a7c8ee8be24c73f8ceee479ce6ccb0590d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.17795",
    "kind": "arxiv",
    "version": 1
  }
}