Pith Number

pith:GYTRKHSA

pith:2009:GYTRKHSATWIZLTAWR3HUL5MCWM

not attested not anchored not stored refs pending

Rendering Dark Energy Void

Chris Clarkson (Univ. Cape Town), Julien Larena, Mathew Smith, Sean February

arxiv:0909.1479 v2 · 2009-09-08 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GYTRKHSATWIZLTAWR3HUL5MCWM}

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	2026-05-18T03:39:03.829526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3627151e409d9195cc168ecf45f582b339f47c2ac7b729f5c8d7b818c528558f

Aliases

arxiv: 0909.1479 · arxiv_version: 0909.1479v2 · doi: 10.48550/arxiv.0909.1479 · pith_short_12: GYTRKHSATWIZ · pith_short_16: GYTRKHSATWIZLTAW · pith_short_8: GYTRKHSA

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/GYTRKHSATWIZLTAWR3HUL5MCWM \
  | 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: 3627151e409d9195cc168ecf45f582b339f47c2ac7b729f5c8d7b818c528558f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5af78c08515029d6445e2cfab4a8e57cb3fb3ef83bc2e5fd31b075e48031e77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-08T13:22:34Z",
    "title_canon_sha256": "243a7a4afcb623cc34c7293216f27d66403c81a0894c7a9b17621019f26b6260"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1479",
    "kind": "arxiv",
    "version": 2
  }
}