Pith Number

pith:ZU6UMT7Q

pith:2010:ZU6UMT7Q5OLVJTRGJBKXRX4IQR

not attested not anchored not stored refs pending

Future CMB cosmological constraints in a dark coupled universe

Alessandro Melchiorri, Laura Lopez Honorez, Matteo Martinelli, Olga Mena

arxiv:1004.2410 v1 · 2010-04-14 · 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{ZU6UMT7Q5OLVJTRGJBKXRX4IQR}

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	2026-05-18T04:38:17.092595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd3d464ff0eb9754ce26485578df88845df1b6bfdb6d9da52b2f455546980452

Aliases

arxiv: 1004.2410 · arxiv_version: 1004.2410v1 · doi: 10.48550/arxiv.1004.2410 · pith_short_12: ZU6UMT7Q5OLV · pith_short_16: ZU6UMT7Q5OLVJTRG · pith_short_8: ZU6UMT7Q

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/ZU6UMT7Q5OLVJTRGJBKXRX4IQR \
  | 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: cd3d464ff0eb9754ce26485578df88845df1b6bfdb6d9da52b2f455546980452

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96d36969b9f845d2150f73c815fe3bddf93f2f9c294009e757269f67d8fc1f45",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-14T14:39:07Z",
    "title_canon_sha256": "4bf484461a66586fa428257e3da25a16d57d4d05ba865fffe96316d07d8e694d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2410",
    "kind": "arxiv",
    "version": 1
  }
}