Pith Number

pith:T4EH3MZZ

pith:2010:T4EH3MZZD2YLDODKSV7NL4EMMO

not attested not anchored not stored refs pending

Generic Automorphisms and Green Fields

Martin Hils

arxiv:1003.5149 v2 · 2010-03-26 · 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{T4EH3MZZD2YLDODKSV7NL4EMMO}

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	2026-05-18T04:05:27.925485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f087db3391eb0b1b86a957ed5f08c6384c9aa5d5f019e297842979ede36db85

Aliases

arxiv: 1003.5149 · arxiv_version: 1003.5149v2 · doi: 10.48550/arxiv.1003.5149 · pith_short_12: T4EH3MZZD2YL · pith_short_16: T4EH3MZZD2YLDODK · pith_short_8: T4EH3MZZ

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/T4EH3MZZD2YLDODKSV7NL4EMMO \
  | 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: 9f087db3391eb0b1b86a957ed5f08c6384c9aa5d5f019e297842979ede36db85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1173cb8c0da10affd372033737c4fd3ede73034a497b11a7c56092ddc025a391",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2010-03-26T14:39:52Z",
    "title_canon_sha256": "5274d96012ef37bc49046ab4b3328c662c90b318be35184899e67a2f568b18c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.5149",
    "kind": "arxiv",
    "version": 2
  }
}