Pith Number

pith:Y326EQ7P

pith:2014:Y326EQ7PI2HBWAFCFEOSV6KMLB

not attested not anchored not stored refs pending

Characterizing partitioned assemblies and realizability toposes

Jonas Frey

arxiv:1404.6997 v2 · 2014-04-28 · math.CT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y326EQ7PI2HBWAFCFEOSV6KMLB}

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	2026-05-18T00:09:00.905042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6f5e243ef468e1b00a2291d2af94c584ce3eba9a75a3033abd94bb67b2d6bb6

Aliases

arxiv: 1404.6997 · arxiv_version: 1404.6997v2 · doi: 10.48550/arxiv.1404.6997 · pith_short_12: Y326EQ7PI2HB · pith_short_16: Y326EQ7PI2HBWAFC · pith_short_8: Y326EQ7P

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/Y326EQ7PI2HBWAFCFEOSV6KMLB \
  | 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: c6f5e243ef468e1b00a2291d2af94c584ce3eba9a75a3033abd94bb67b2d6bb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a8e0d6f48dc5066b7c2c5e19e34b0e917818a282cfc3f53dc6feaf0c2be4bde",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2014-04-28T14:23:13Z",
    "title_canon_sha256": "13ef1490499b574b14aa4063312a854f979eb06a60db690c684a25b5df41343a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6997",
    "kind": "arxiv",
    "version": 2
  }
}