Pith Number

pith:M5SD55WM

pith:2009:M5SD55WMP67QC737SGKI32XEHU

not attested not anchored not stored refs pending

Constraints on early dark energy from CMB lensing and weak lensing tomography

Bjoern Malte Schaefer, Domenico Sapone, Lukas Hollenstein, Robert Crittenden

arxiv:0902.1494 v2 · 2009-02-09 · 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{M5SD55WMP67QC737SGKI32XEHU}

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	2026-05-18T03:53:03.577552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67643ef6cc7fbf017f7f91948deae43d1f7470cb79909d3231f72c5c38e1b616

Aliases

arxiv: 0902.1494 · arxiv_version: 0902.1494v2 · doi: 10.48550/arxiv.0902.1494 · pith_short_12: M5SD55WMP67Q · pith_short_16: M5SD55WMP67QC737 · pith_short_8: M5SD55WM

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/M5SD55WMP67QC737SGKI32XEHU \
  | 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: 67643ef6cc7fbf017f7f91948deae43d1f7470cb79909d3231f72c5c38e1b616

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dde3cc1defcb43a92a9a1b9736fb93180bd09a8095ac48b5cbb44a424f13bd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-02-09T19:04:50Z",
    "title_canon_sha256": "9145ccbec97ab97725e7ce9a52d9f60dc21780a5a836b924ef9befcf23de1499"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1494",
    "kind": "arxiv",
    "version": 2
  }
}