Pith Number

pith:TOCHGKRN

pith:2014:TOCHGKRNCYCIGBB3ZQWJTQACP7

not attested not anchored not stored refs pending

Why Y-c.c

David Chodounsk\'y, Jind\v{r}ich Zapletal

arxiv:1409.4596 v2 · 2014-09-16 · 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{TOCHGKRNCYCIGBB3ZQWJTQACP7}

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	2026-05-18T00:49:35.247157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b84732a2d160483043bcc2c99c0027fc4f6858072c7a6ca3baf30ae23bf4ecd

Aliases

arxiv: 1409.4596 · arxiv_version: 1409.4596v2 · doi: 10.48550/arxiv.1409.4596 · pith_short_12: TOCHGKRNCYCI · pith_short_16: TOCHGKRNCYCIGBB3 · pith_short_8: TOCHGKRN

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/TOCHGKRNCYCIGBB3ZQWJTQACP7 \
  | 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: 9b84732a2d160483043bcc2c99c0027fc4f6858072c7a6ca3baf30ae23bf4ecd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df247780ebadce0145ee89e6677e4cc977c92a85e0874b8f09a25053373786be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-09-16T11:47:08Z",
    "title_canon_sha256": "7c7cdb1b8b2738aea55d51953643fece42de9d311edf5996b086449f0cb46083"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4596",
    "kind": "arxiv",
    "version": 2
  }
}