Pith Number

pith:TXBPY3YP

pith:2008:TXBPY3YP7FU2PAAL5ZIUMEHI6Z

not attested not anchored not stored refs pending

Accelerating Cold Dark Matter Cosmology ($\Omega_{\Lambda}\equiv 0$)

F. E. Silva, J. A. S. Lima, R. C. Santos

arxiv:0807.3379 v2 · 2008-07-22 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TXBPY3YP7FU2PAAL5ZIUMEHI6Z}

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	2026-05-18T02:35:15.494602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dc2fc6f0ff969a7800bee514610e8f660c9a299c6f38dabd2026d942601e716

Aliases

arxiv: 0807.3379 · arxiv_version: 0807.3379v2 · doi: 10.48550/arxiv.0807.3379 · pith_short_12: TXBPY3YP7FU2 · pith_short_16: TXBPY3YP7FU2PAAL · pith_short_8: TXBPY3YP

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/TXBPY3YP7FU2PAAL5ZIUMEHI6Z \
  | 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: 9dc2fc6f0ff969a7800bee514610e8f660c9a299c6f38dabd2026d942601e716

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62b0ab0b57a3ef2173a677711674b893360aeafb975c8872e72d4d386b305206",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-22T01:44:52Z",
    "title_canon_sha256": "f767165e959404b2793e61b312d03835feee587334142dde1ab45efb143740bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.3379",
    "kind": "arxiv",
    "version": 2
  }
}