Pith Number

pith:VHERGQHD

pith:2010:VHERGQHDFR44F3G4API7J4IVJM

not attested not anchored not stored refs pending

Current constraints on the epoch of cosmic acceleration

B. Santos, J.C. Carvalho, J.S. Alcaniz

arxiv:1009.2733 v1 · 2010-09-14 · astro-ph.CO · gr-qc · hep-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{VHERGQHDFR44F3G4API7J4IVJM}

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	2026-05-18T02:05:30.486053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9c91340e32c79c2ecdc03d1f4f1154b05cbd3bba8ddba5e2ce2b58aecd26693

Aliases

arxiv: 1009.2733 · arxiv_version: 1009.2733v1 · doi: 10.48550/arxiv.1009.2733 · pith_short_12: VHERGQHDFR44 · pith_short_16: VHERGQHDFR44F3G4 · pith_short_8: VHERGQHD

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/VHERGQHDFR44F3G4API7J4IVJM \
  | 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: a9c91340e32c79c2ecdc03d1f4f1154b05cbd3bba8ddba5e2ce2b58aecd26693

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7df222ff0809dece0933463e585219f4aea200b74122998d809eed15f027a07b",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-09-14T19:06:27Z",
    "title_canon_sha256": "b2effba66bece6c25c65f4d7a092c6a9690470ca5c9cf018991695d1a9c118b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2733",
    "kind": "arxiv",
    "version": 1
  }
}