Pith Number

pith:IKSD6A3R

pith:2021:IKSD6A3RBHN2WP7JJQTWAHGJB5

not attested not anchored not stored refs pending

Inference of the optical depth to reionization from low multipole temperature and polarisation Planck data

George Efstathiou, Roger de Belsunce, Steven Gratton, William Coulton

arxiv:2103.14378 v2 · 2021-03-26 · 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{IKSD6A3RBHN2WP7JJQTWAHGJB5}

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

3 papers in Pith

Compressed Gaussian likelihood for the Planck low-$\ell$ data

Cosmological Concordance in an Especially Opaque Universe: A Tentative Cosmological Detection of Physical Neutrino Mass in $\Lambda$CDM

The End of the First Act: Spectral Running, Interacting Dark Radiation, and the Hubble Tension in Light of ACT DR6 Data

Receipt and verification

First computed	2026-07-05T03:08:44.694859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42a43f037109dbab3fe94c27601cc90f79d33ee5c4cd522af0ce9913760b39ad

Aliases

arxiv: 2103.14378 · arxiv_version: 2103.14378v2 · doi: 10.48550/arxiv.2103.14378 · pith_short_12: IKSD6A3RBHN2 · pith_short_16: IKSD6A3RBHN2WP7J · pith_short_8: IKSD6A3R

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/IKSD6A3RBHN2WP7JJQTWAHGJB5 \
  | 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: 42a43f037109dbab3fe94c27601cc90f79d33ee5c4cd522af0ce9913760b39ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fae360b435800e930876f4bc905a9b460ba1f9b1e2a9e42aaadba52f914ca428",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-03-26T10:27:03Z",
    "title_canon_sha256": "725f6aca39dcd5f2ad7431731cf82f7304d4536235c870ae52d33e5f545ff6d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.14378",
    "kind": "arxiv",
    "version": 2
  }
}