Pith Number

pith:MYE4Q6V3

pith:2009:MYE4Q6V3V5KN3JL44T7JXCXH2Q

not attested not anchored not stored refs pending

On the Nature of the Cosmological Constant Problem

A. J. S.Capistrano, E. M. Monte, M. D. Maia

arxiv:0905.3655 v2 · 2009-05-22 · gr-qc · astro-ph.CO · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MYE4Q6V3V5KN3JL44T7JXCXH2Q}

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	2026-05-18T02:13:38.035463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6609c87abbaf54dda57ce4fe9b8ae7d407231a97ea2230f1749b254c2227c555

Aliases

arxiv: 0905.3655 · arxiv_version: 0905.3655v2 · doi: 10.48550/arxiv.0905.3655 · pith_short_12: MYE4Q6V3V5KN · pith_short_16: MYE4Q6V3V5KN3JL4 · pith_short_8: MYE4Q6V3

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/MYE4Q6V3V5KN3JL44T7JXCXH2Q \
  | 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: 6609c87abbaf54dda57ce4fe9b8ae7d407231a97ea2230f1749b254c2227c555

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64b843d766ad7b13e69e8883bf84abcdeefa5456196bf052e73edf8444f9c818",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-05-22T10:32:06Z",
    "title_canon_sha256": "a480c9eb9c4b217f5c70b1b9ce016e7ebec60828bdd3b66de92836aa22191594"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3655",
    "kind": "arxiv",
    "version": 2
  }
}