Pith Number

pith:UKHDLZMO

pith:2013:UKHDLZMOCXYYDBXE4O4KMELLKL

not attested not anchored not stored refs pending

Dark energy properties from large future galaxy surveys

Jan Hamann, Ole Eggers Bjaelde, Steen Hannestad, Tobias Basse, Yvonne Y.Y. Wong

arxiv:1304.2321 v2 · 2013-04-08 · 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{UKHDLZMOCXYYDBXE4O4KMELLKL}

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	2026-05-18T01:50:41.511759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a28e35e58e15f18186e4e3b8a6116b52f2a39d4279e8fbfe2fa390f091429eaa

Aliases

arxiv: 1304.2321 · arxiv_version: 1304.2321v2 · doi: 10.48550/arxiv.1304.2321 · pith_short_12: UKHDLZMOCXYY · pith_short_16: UKHDLZMOCXYYDBXE · pith_short_8: UKHDLZMO

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/UKHDLZMOCXYYDBXE4O4KMELLKL \
  | 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: a28e35e58e15f18186e4e3b8a6116b52f2a39d4279e8fbfe2fa390f091429eaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eac6dcfa2eef5c56511c0ee6f60ae81abb1968f6dd5fe09d249c7323a8aebead",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-08T19:20:48Z",
    "title_canon_sha256": "f462a413cab89004f4c93efc04523cd53525dccbed55cc5893551e8a544fcb65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2321",
    "kind": "arxiv",
    "version": 2
  }
}