Pith Number

pith:NJSFJPBU

pith:2009:NJSFJPBUWDTGFNREMF7WXNJ2KE

not attested not anchored not stored refs pending

Parameter Estimation from Improved Measurements of the CMB from QUaD

(10) Laboratoire APC/CNRS, 11), (11) NASA Goddard, (12) University of Manchester, 13), (13) UCL, 14), (14) IPAC), 2, (2) JPL, 3), 3) ((1) Cardiff University, (3) Caltech, 4), (4) Stanford University, (5) University of Cambridge, (6) National University of Ireland Maynooth, (7) University of Edinburgh, 8), (8) Universidade Tecnica de Lisboa, (9) University of Chicago, A. E. Lange (4), A. H. Turner (1), A. N. Taylor (7), A. Orlando (1, B. Rusholme (4, C. O'Sullivan (6), C. Pryke (9), E. Leitch (2, E. Y. S. Wu (4), G. Cahill (6), J. A. Murphy (6), J. Bock (2, J. Hinderks (5, J. Kovac (3), K. Ganga (10), K. L. Thompson (4), L. Piccirillo (12), M. Bowden (1, M. L. Brown (5), M. Zemcov (1, N. Rajguru (1, P. Ade (1), P. G. Castro (7, QUaD collaboration: S. Gupta (1), R. B. Friedman (9), R. Schwarz (9), S. Church (4), S. J. Melhuish (12), T. Culverhouse (9), W. K. Gear (1), Y. Memari (7)

arxiv:0909.1621 v3 · 2009-09-09 · 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{NJSFJPBUWDTGFNREMF7WXNJ2KE}

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	2026-05-18T02:34:30.668803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a6454bc34b0e662b624617f6bb53a513943ef9856cd5a290d69cc3b85f3a92d

Aliases

arxiv: 0909.1621 · arxiv_version: 0909.1621v3 · doi: 10.48550/arxiv.0909.1621 · pith_short_12: NJSFJPBUWDTG · pith_short_16: NJSFJPBUWDTGFNRE · pith_short_8: NJSFJPBU

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/NJSFJPBUWDTGFNREMF7WXNJ2KE \
  | 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: 6a6454bc34b0e662b624617f6bb53a513943ef9856cd5a290d69cc3b85f3a92d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3b857dbc57e88b7af1dd0defe9330f19c93b9d09f5d0525d04b9464af1696dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-09T17:20:25Z",
    "title_canon_sha256": "a185cedda96ed2c2b8fdfe2d47f3b1afe771c302ecf4ae56bdb9b31fb7fa8f55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1621",
    "kind": "arxiv",
    "version": 3
  }
}