Pith Number

pith:5UDYLDKV

pith:2008:5UDYLDKV3CJE6XODRN2PFQ5SQU

not attested not anchored not stored refs pending

What is the best way to measure baryonic acoustic oscillations?

(2) ICC, Ariel G. Sanchez (1), Carlton M. Baugh (2), Durham, Garching, Germany, Raul Angulo (2) ((1) MPE, UK)

arxiv:0804.0233 v2 · 2008-04-02 · astro-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{5UDYLDKV3CJE6XODRN2PFQ5SQU}

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	2026-07-04T17:10:03.957070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed07858d55d8924f5dc38b74f2c3b28536e3f8a2a9c786af2867b3d7c914d6b2

Aliases

arxiv: 0804.0233 · arxiv_version: 0804.0233v2 · doi: 10.48550/arxiv.0804.0233 · pith_short_12: 5UDYLDKV3CJE · pith_short_16: 5UDYLDKV3CJE6XOD · pith_short_8: 5UDYLDKV

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/5UDYLDKV3CJE6XODRN2PFQ5SQU \
  | 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: ed07858d55d8924f5dc38b74f2c3b28536e3f8a2a9c786af2867b3d7c914d6b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d086a5d5b1bdb7f581a6d6ce10d06f66f5c42cd9c581d66fca9de5ab7fef396",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-04-02T10:22:51Z",
    "title_canon_sha256": "ed3b27a9ca4583e9fe0a701673fb1ab994b28926394bd8a522ddf8aa13ef055b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.0233",
    "kind": "arxiv",
    "version": 2
  }
}