Pith Number

pith:QTGVD3T2

pith:2014:QTGVD3T23AIVAKW7C64MNDAUWA

not attested not anchored not stored refs pending

Giving Cosmic Redshift Drift a Whirl

Alex G. Kim, David Erskine, Eric V. Linder, Jerry Edelstein

arxiv:1402.6614 v2 · 2014-02-26 · 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{QTGVD3T23AIVAKW7C64MNDAUWA}

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

2 papers in Pith

Direct detection of the cosmic expansion: the redshift drift and the flux drift

Nonlinear Relativistic Effects on Cosmological Redshift Drift

Receipt and verification

First computed	2026-05-18T02:17:24.635178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84cd51ee7ad811502adf17b8c68c14b031a19155035affe8636829b60028eb20

Aliases

arxiv: 1402.6614 · arxiv_version: 1402.6614v2 · doi: 10.48550/arxiv.1402.6614 · pith_short_12: QTGVD3T23AIV · pith_short_16: QTGVD3T23AIVAKW7 · pith_short_8: QTGVD3T2

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/QTGVD3T23AIVAKW7C64MNDAUWA \
  | 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: 84cd51ee7ad811502adf17b8c68c14b031a19155035affe8636829b60028eb20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70bebd2e38f17fb8720d8f2ac62669f35021e774fa4086b7cba81325dd53529d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-02-26T17:14:39Z",
    "title_canon_sha256": "069831707691999c284a238bf11efd5d93183bbafe20e742600e47c60ed08320"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.6614",
    "kind": "arxiv",
    "version": 2
  }
}