Pith Number

pith:UKMHMHDZ

pith:2009:UKMHMHDZNA2AGEB7KJ6EIXMDK5

not attested not anchored not stored refs pending

Peculiar Velocity Anomaly from Forces Beyond Gravity?

Christof Wetterich, Maik Weber, Youness Ayaita

arxiv:0908.2903 v2 · 2009-08-20 · 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{UKMHMHDZNA2AGEB7KJ6EIXMDK5}

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	2026-05-18T04:27:28.319985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a298761c79683403103f527c445d83575540d2a4cd3843c2562b1089b16f8c3f

Aliases

arxiv: 0908.2903 · arxiv_version: 0908.2903v2 · doi: 10.48550/arxiv.0908.2903 · pith_short_12: UKMHMHDZNA2A · pith_short_16: UKMHMHDZNA2AGEB7 · pith_short_8: UKMHMHDZ

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/UKMHMHDZNA2AGEB7KJ6EIXMDK5 \
  | 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: a298761c79683403103f527c445d83575540d2a4cd3843c2562b1089b16f8c3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85cbfddcc710fe690492cece86d488a9b100d5235e31378032f5f6785d0bdf98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-20T11:12:25Z",
    "title_canon_sha256": "0446de7b24c2fc48c926a7ad84baa954abddbde07893b6c25c18785ec18cb667"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2903",
    "kind": "arxiv",
    "version": 2
  }
}