Pith Number

pith:WUUCPVVX

pith:2015:WUUCPVVXKJIK7HU2EYTABLCWUS

not attested not anchored not stored refs pending

Transition operators assigned to physical systems

Ivan Chajda, Jan Paseka

arxiv:1510.02972 v1 · 2015-10-10 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WUUCPVVXKJIK7HU2EYTABLCWUS}

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	2026-05-18T00:06:06.639416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b52827d6b75250af9e9a262600ac56a4b846a498c0a93ba0baa4b750e26ad311

Aliases

arxiv: 1510.02972 · arxiv_version: 1510.02972v1 · doi: 10.48550/arxiv.1510.02972 · pith_short_12: WUUCPVVXKJIK · pith_short_16: WUUCPVVXKJIK7HU2 · pith_short_8: WUUCPVVX

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/WUUCPVVXKJIK7HU2EYTABLCWUS \
  | 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: b52827d6b75250af9e9a262600ac56a4b846a498c0a93ba0baa4b750e26ad311

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8591eb416ee255231397a8542ccb8b59426a3bba078ee25fc17c71486153fab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-10-10T19:40:18Z",
    "title_canon_sha256": "f83c39e48e627b8785f4e86b2fb473e695ed27341827bfcbe65bd56aee225509"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02972",
    "kind": "arxiv",
    "version": 1
  }
}