Pith Number

pith:XPHCIAMX

pith:2011:XPHCIAMXOATGF5QEYBELTI3CQ2

not attested not anchored not stored refs pending

Constraints from the CMB temperature and other common observational data-sets on variable dark energy density models

Crescenzo Tortora, Philippe Jetzer

arxiv:1107.4610 v1 · 2011-07-22 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XPHCIAMXOATGF5QEYBELTI3CQ2}

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	2026-05-18T04:13:56.140659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbce240197702662f604c048b9a362869ddbded0be24ed8cb34fa7961f3b39dc

Aliases

arxiv: 1107.4610 · arxiv_version: 1107.4610v1 · doi: 10.48550/arxiv.1107.4610 · pith_short_12: XPHCIAMXOATG · pith_short_16: XPHCIAMXOATGF5QE · pith_short_8: XPHCIAMX

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/XPHCIAMXOATGF5QEYBELTI3CQ2 \
  | 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: bbce240197702662f604c048b9a362869ddbded0be24ed8cb34fa7961f3b39dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "228e053c1492cca82acca260ef0ee042f02acecf5a3f1011ee6fefafa35b3260",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-22T20:00:05Z",
    "title_canon_sha256": "3ad1582bdc19c0e745a48f1a313325dbbe330276cd994c99f6c4aa8ec9703f97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4610",
    "kind": "arxiv",
    "version": 1
  }
}