Pith Number

pith:AMYLY7QT

pith:2018:AMYLY7QTDWSW6LELL73HYDQCPU

not attested not anchored not stored refs pending

Some Observations on Infinitary Complexity

Merlin Carl

arxiv:1801.10027 v1 · 2018-01-30 · 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{AMYLY7QTDWSW6LELL73HYDQCPU}

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	2026-05-18T00:24:46.082247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0330bc7e131da56f2c8b5ff67c0e027d2bea532bfb547256c1b446538b54f7b5

Aliases

arxiv: 1801.10027 · arxiv_version: 1801.10027v1 · doi: 10.48550/arxiv.1801.10027 · pith_short_12: AMYLY7QTDWSW · pith_short_16: AMYLY7QTDWSW6LEL · pith_short_8: AMYLY7QT

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/AMYLY7QTDWSW6LELL73HYDQCPU \
  | 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: 0330bc7e131da56f2c8b5ff67c0e027d2bea532bfb547256c1b446538b54f7b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15b19ba78ac964c041c6b6f6b220a4af1d7b336f818375cacecd7753fa54c341",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-01-30T14:59:04Z",
    "title_canon_sha256": "696cf55b1034f5166f2812c64d8a365dab27cbac87d6614f53d350a616dda776"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.10027",
    "kind": "arxiv",
    "version": 1
  }
}