Pith Number

pith:54V2SABU

pith:2009:54V2SABUOWCZLWYLACHX76PO3H

not attested not anchored not stored refs pending

Follow-up observations at 16 and 33 GHz of extragalactic sources from WMAP 3-year data: I - Spectral properties

Anna M. M. Scaife, Anthony N. Lasenby, Carmen P. Padilla-Torres, Carmen Rodriguez-Gonzalvez, David A. Green, David J. Titterington, Elizabeth M. Waldram, Farhan Feroz, Guy G. Pooley, Jonathan T. L. Zwart, Keith J. B. Grainge, Malak Olamaie, Marcos Lopez-Caniego, Matthew L. Davies, Michael P. Hobson, Natasha Hurley-Walker, Paul F. Scott, Rafael Rebolo, Ricardo Genova-Santos, Richard D. E. Saunders, Richard J. Davis, Robert A. Watson, Rod D. Davies, Thomas M. O. Franzen, Timothy W. Shimwell

arxiv:0907.3707 v2 · 2009-07-21 · 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{54V2SABUOWCZLWYLACHX76PO3H}

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	2026-05-18T02:12:54.951964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef2ba90034758595db0b008f7ff9eed9f2ef025e91aef2c3850546c631d43156

Aliases

arxiv: 0907.3707 · arxiv_version: 0907.3707v2 · doi: 10.48550/arxiv.0907.3707 · pith_short_12: 54V2SABUOWCZ · pith_short_16: 54V2SABUOWCZLWYL · pith_short_8: 54V2SABU

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/54V2SABUOWCZLWYLACHX76PO3H \
  | 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: ef2ba90034758595db0b008f7ff9eed9f2ef025e91aef2c3850546c631d43156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c1a9eb37d90c708ebe51d4c148c24b1c3f2f3741822c507ed3a81fcc1547dc9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-21T17:23:42Z",
    "title_canon_sha256": "77bd6208bf27e43e27d798f243d993e6a5af29402659f3fb2f4a5c3dae35c65c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3707",
    "kind": "arxiv",
    "version": 2
  }
}