Pith Number

pith:JHDP76OO

pith:2012:JHDP76OOYJ5E2KSMYKNONKDAFV

not attested not anchored not stored refs pending

The distribution of ITRM-recognizable reals

Merlin Carl

arxiv:1208.1901 v4 · 2012-08-09 · 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{JHDP76OOYJ5E2KSMYKNONKDAFV}

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	2026-05-18T03:42:44.058434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49c6fff9cec27a4d2a4cc29ae6a8602d4e5791b505bb47df06f6b0c2be53b9ed

Aliases

arxiv: 1208.1901 · arxiv_version: 1208.1901v4 · doi: 10.48550/arxiv.1208.1901 · pith_short_12: JHDP76OOYJ5E · pith_short_16: JHDP76OOYJ5E2KSM · pith_short_8: JHDP76OO

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/JHDP76OOYJ5E2KSMYKNONKDAFV \
  | 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: 49c6fff9cec27a4d2a4cc29ae6a8602d4e5791b505bb47df06f6b0c2be53b9ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b508587ba745d4b2069ce88be945c114199eff2a7ad8367a3e3ed0922ef2f2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-08-09T13:24:37Z",
    "title_canon_sha256": "9d523528f84829c3f8a2b596d1c15825d3e745c3950e5943a446d40932f79659"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1901",
    "kind": "arxiv",
    "version": 4
  }
}