Pith Number

pith:LS6YQXV6

pith:2009:LS6YQXV633VJIHNLXCH5LDTI6B

not attested not anchored not stored refs pending

A ground-based 21cm Baryon acoustic oscillation survey

Alberto Vallinotto, Albert Stebbins, Chris Stoughton, Dave Mcginnis, Hee-Jong Seo, John Marriner, Scott Dodelson

arxiv:0910.5007 v2 · 2009-10-26 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LS6YQXV633VJIHNLXCH5LDTI6B}

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	2026-05-18T02:34:12.804291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cbd885ebedeea941dabb88fd58e68f042282f156944c227f58bd2e06a6f1090

Aliases

arxiv: 0910.5007 · arxiv_version: 0910.5007v2 · doi: 10.48550/arxiv.0910.5007 · pith_short_12: LS6YQXV633VJ · pith_short_16: LS6YQXV633VJIHNL · pith_short_8: LS6YQXV6

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/LS6YQXV633VJIHNLXCH5LDTI6B \
  | 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: 5cbd885ebedeea941dabb88fd58e68f042282f156944c227f58bd2e06a6f1090

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a909620a6563c2e08ba22564c3c141349fb8180d194eb7983fb17d3618b5be7d",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-26T23:56:36Z",
    "title_canon_sha256": "a4bfdf74978c098c4bc043663fb4ac2a60693e0d51eed17777eda2dec99706db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5007",
    "kind": "arxiv",
    "version": 2
  }
}