Pith Number

pith:D2ROZ3U5

pith:2006:D2ROZ3U5WKDMP5ZW5QCXHPGAYT

not attested not anchored not stored refs pending

Understanding the origin of CMB constraints on Dark Energy

Allahabad), H. K. Jassal, J. S. Bagla (HRI, Pune), T. Padmanabhan (IUCAA

arxiv:astro-ph/0601389 v3 · 2006-01-18 · astro-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2ROZ3U5WKDMP5ZW5QCXHPGAYT}

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	2026-05-18T02:40:25.456671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ea2ecee9db286c7f736ec0573bcc0c4d2d98529e05a9d8b5d193bf99a1dcbd4

Aliases

arxiv: astro-ph/0601389 · arxiv_version: astro-ph/0601389v3 · doi: 10.48550/arxiv.astro-ph/0601389 · pith_short_12: D2ROZ3U5WKDM · pith_short_16: D2ROZ3U5WKDMP5ZW · pith_short_8: D2ROZ3U5

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/D2ROZ3U5WKDMP5ZW5QCXHPGAYT \
  | 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: 1ea2ecee9db286c7f736ec0573bcc0c4d2d98529e05a9d8b5d193bf99a1dcbd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "338f83dfe283b3326ca2c76a7c0fa1a002a9c1a6e53ad87ff47a41dfd5de6bd4",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-01-18T12:50:31Z",
    "title_canon_sha256": "7c120033adcb7f36b805d8055981442350e883f21c4a5f437bce2830fb2b8b3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0601389",
    "kind": "arxiv",
    "version": 3
  }
}