Pith Number

pith:4C7ILEHR

pith:2021:4C7ILEHRW6HQQ6FRYOAXZLVW26

not attested not anchored not stored refs pending

A Constraint on Primordial $B$-Modes from the First Flight of the SPIDER Balloon-Borne Telescope

A. A. Fraisse, A. C. Weber, A. D. Turner, A. E. Gambrel, A. J. Duivenvoorden, A. Karakci, A. S. Bergman, A. S. Rahlin, A. Trangsrud, B. Osherson, B. Racine, C. B. Netterfield, C. L. Kuo, C. R. Contaldi, C. Reintsema, C. Shiu, C. Tucker, D. S. Y. Mak, D. V. Wiebe, E. C. Shaw, E. Y. Young, G. Hilton, H. C. Chiang, H. K. Eriksen, I. K. Wehus, I. L. Padilla, J. A. Bonetti, J. A. Shariff, J. D. Soler, J. E. Gudmundsson, J. E. Ruhl, J. F. van der List, J. Hartley, J. J. Bock, J. M. Nagy, J. P. Filippini, J. R. Bond, J. S.-Y. Leung, K. D. Irwin, K. Freese, K. Ganga, K. Megerian, L. Moncelsi, M. Amiri, M. C. Runyan, M. Farhang, M. Galloway, M. Halpern, M. Hasselfield, M. Nolta, N. N. Gandilo, O. Dor\'e, P. V. Mason, R. Bihary, R. Gualtieri, R. O'Brient, R. S. Tucker, S. A. Bryan, S. J. Benton, S. Li, SPIDER Collaboration: P. A. R. Ade, S. Wen, T. A. Morford, T. M. Ruud, V. V. Hristov, W. C. Jones, W. Holmes, X. Song, Z. D. Kermish, Z. Huang

arxiv:2103.13334 v1 · 2021-03-24 · 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{4C7ILEHRW6HQQ6FRYOAXZLVW26}

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.

Cited by

1 paper in Pith

Probing String-Theory-Inspired Topologies of the Early Universe through CMB Temperature and Polarization Anisotropies

Receipt and verification

First computed	2026-07-05T02:26:08.948845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0be8590f1b78f0878b1c3817caeb6d79356840116f69670f108260fbb5a4124

Aliases

arxiv: 2103.13334 · arxiv_version: 2103.13334v1 · doi: 10.48550/arxiv.2103.13334 · pith_short_12: 4C7ILEHRW6HQ · pith_short_16: 4C7ILEHRW6HQQ6FR · pith_short_8: 4C7ILEHR

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/4C7ILEHRW6HQQ6FRYOAXZLVW26 \
  | 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: e0be8590f1b78f0878b1c3817caeb6d79356840116f69670f108260fbb5a4124

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "561f2d84074f19bce7fe02ce18f6679b2d2b4cec2c789f1449c0a4023a49d41f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-03-24T16:41:16Z",
    "title_canon_sha256": "cbaf396dd6ae27fb40d1deff94d7dd9160357e1e523cacc70ea02ba84f068490"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.13334",
    "kind": "arxiv",
    "version": 1
  }
}