Pith Number

pith:CHVKAYTI

pith:2019:CHVKAYTIJ2W36OX77QZVG6IGMG

not attested not anchored not stored refs pending

PAC structures in nutshell

Daniel Max Hoffmann

arxiv:1905.09741 v1 · 2019-05-23 · 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{CHVKAYTIJ2W36OX77QZVG6IGMG}

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	2026-05-17T23:45:16.177103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11eaa062684eadbf3afffc3353790661808633444a30068e6424fa33dadcb5e2

Aliases

arxiv: 1905.09741 · arxiv_version: 1905.09741v1 · doi: 10.48550/arxiv.1905.09741 · pith_short_12: CHVKAYTIJ2W3 · pith_short_16: CHVKAYTIJ2W36OX7 · pith_short_8: CHVKAYTI

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/CHVKAYTIJ2W36OX77QZVG6IGMG \
  | 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: 11eaa062684eadbf3afffc3353790661808633444a30068e6424fa33dadcb5e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa39b79236bfee030c2d8ddb6bb85e8deccf2f0196514cc1e4a3e733e1c9aaef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-05-23T16:04:33Z",
    "title_canon_sha256": "6ef0c4f837328700994e5d9410d492081a5b40f4b821a5c1cd9a9ebabc6097ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09741",
    "kind": "arxiv",
    "version": 1
  }
}