Pith Number

pith:2C4O5V7U

pith:2016:2C4O5V7UC5SSZKPIS47K43RPL5

not attested not anchored not stored refs pending

Information processing and Fechner's problem as a choice of arithmetic

Marek Czachor

arxiv:1602.00587 v2 · 2016-01-29 · 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{2C4O5V7UC5SSZKPIS47K43RPL5}

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	2026-05-18T00:39:47.959304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0b8eed7f417652ca9e8973eae6e2f5f794aca1e6949bb97e8e7d51c8ed7e6be

Aliases

arxiv: 1602.00587 · arxiv_version: 1602.00587v2 · doi: 10.48550/arxiv.1602.00587 · pith_short_12: 2C4O5V7UC5SS · pith_short_16: 2C4O5V7UC5SSZKPI · pith_short_8: 2C4O5V7U

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/2C4O5V7UC5SSZKPIS47K43RPL5 \
  | 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: d0b8eed7f417652ca9e8973eae6e2f5f794aca1e6949bb97e8e7d51c8ed7e6be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2276a197b05725d8911d45a5560d2a64eed20d9d2b1d4db48d82ea80bb5060c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2016-01-29T10:02:01Z",
    "title_canon_sha256": "aa10e2cb78330403d15e37635c588dfe2fe372b460b8625fbbdd1fce1dba973a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.00587",
    "kind": "arxiv",
    "version": 2
  }
}