Pith Number

pith:BKYZVVK6

pith:2019:BKYZVVK6JCZUV5EELEFJJ6SDKT

not attested not anchored not stored refs pending

Digital System Reconstruction by Pairwise Transfer Entropy

David Cai, Douglas Zhou, Zhong-Qi Kyle Tian

arxiv:1905.03972 v1 · 2019-05-10 · q-bio.QM · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKYZVVK6JCZUV5EELEFJJ6SDKT}

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	2026-05-17T23:46:35.015273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ab19ad55e48b34af484590a94fa4354f27d29661aa323d065cf07a54ce4f8e3

Aliases

arxiv: 1905.03972 · arxiv_version: 1905.03972v1 · doi: 10.48550/arxiv.1905.03972 · pith_short_12: BKYZVVK6JCZU · pith_short_16: BKYZVVK6JCZUV5EE · pith_short_8: BKYZVVK6

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/BKYZVVK6JCZUV5EELEFJJ6SDKT \
  | 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: 0ab19ad55e48b34af484590a94fa4354f27d29661aa323d065cf07a54ce4f8e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd829ab4b2f155c15b614cec9cbd398f38595df04f33983473985017b85b09c1",
    "cross_cats_sorted": [
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2019-05-10T07:08:33Z",
    "title_canon_sha256": "b1fe40cbeb2f8433c1f6b2f007c3900f70b3d4207c55d7fa42c97dfafb564777"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03972",
    "kind": "arxiv",
    "version": 1
  }
}