Pith Number

pith:EYKY4YTB

pith:2017:EYKY4YTBJHWOLMEKP6KA2IMODX

not attested not anchored not stored refs pending

Markov Brains: A Technical Introduction

Ali Tehrani-Saleh, Arend Hintze, Christoph Adami, Clifford Bohm, David B. Knoester, Heather Goldsby, Jeffrey A. Edlund, Jory Schossau, Larissa Albantakis, Leigh Sheneman, Peter Kvam, Randal S. Olson

arxiv:1709.05601 v1 · 2017-09-17 · cs.AI · 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{EYKY4YTBJHWOLMEKP6KA2IMODX}

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	2026-05-18T00:25:33.817133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26158e626149ece5b08a7f940d218e1df70dbf704882fe5190396805e9c8ed29

Aliases

arxiv: 1709.05601 · arxiv_version: 1709.05601v1 · doi: 10.48550/arxiv.1709.05601 · pith_short_12: EYKY4YTBJHWO · pith_short_16: EYKY4YTBJHWOLMEK · pith_short_8: EYKY4YTB

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/EYKY4YTBJHWOLMEKP6KA2IMODX \
  | 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: 26158e626149ece5b08a7f940d218e1df70dbf704882fe5190396805e9c8ed29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e03d54a07405f359422f85fe066a00717c8e26471f85850246c86249c6207094",
    "cross_cats_sorted": [
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-09-17T03:12:06Z",
    "title_canon_sha256": "8fc6c528531daff79fd0fed8084a77fcf4a76404729b41f40cb21bdb671a7a2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05601",
    "kind": "arxiv",
    "version": 1
  }
}