Pith Number

pith:3BISJIIJ

pith:2010:3BISJIIJSVY2SDO6BJNIRXVAPY

not attested not anchored not stored refs pending

Accelerating expansion in the swisscheese model

Adelinda Csapo, Gyula Bene

arxiv:1002.4610 v2 · 2010-02-24 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3BISJIIJSVY2SDO6BJNIRXVAPY}

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	2026-07-04T17:29:50.219665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d85124a1099571a90dde0a5a88dea07e2e790eb6d9c8db52171171f568ead28c

Aliases

arxiv: 1002.4610 · arxiv_version: 1002.4610v2 · doi: 10.48550/arxiv.1002.4610 · pith_short_12: 3BISJIIJSVY2 · pith_short_16: 3BISJIIJSVY2SDO6 · pith_short_8: 3BISJIIJ

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/3BISJIIJSVY2SDO6BJNIRXVAPY \
  | 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: d85124a1099571a90dde0a5a88dea07e2e790eb6d9c8db52171171f568ead28c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eedc208670286a2a775b11e54b1d7e70ddc3344ca4788646a918ebfa5863b5e",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-24T19:27:37Z",
    "title_canon_sha256": "ff16e13940eaf79e2c75c500e95d7bc16b9bab35412b5fdcd7fd22db60041bd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4610",
    "kind": "arxiv",
    "version": 2
  }
}