Pith Number

pith:2TGCHVUV

pith:2026:2TGCHVUVPHG7WXEYEAVEG2QOOI

not attested not anchored not stored refs pending

Impact of numerical stability in Bayesian noise wave calibration on global 21-cm experiments

Adarsh Kumar Dash, Christian Kirkham, Dominic Anstey, Eloy de Lera Acedo, Harry T. J. Bevins, Saswata Dasgupta

arxiv:2607.26911 v1 · 2026-07-29 · astro-ph.CO · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2TGCHVUVPHG7WXEYEAVEG2QOOI}

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	2026-07-30T01:22:58.584359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

d4cc23d69579cdfb5c98202a436a0e7209c5589eafe8d70ada540cc7efe9a16a

Aliases

arxiv: 2607.26911 · arxiv_version: 2607.26911v1 · doi: 10.48550/arxiv.2607.26911 · pith_short_12: 2TGCHVUVPHG7 · pith_short_16: 2TGCHVUVPHG7WXEY · pith_short_8: 2TGCHVUV

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/2TGCHVUVPHG7WXEYEAVEG2QOOI \
  | 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: d4cc23d69579cdfb5c98202a436a0e7209c5589eafe8d70ada540cc7efe9a16a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f10b2d74b2ad88dce0e710c4d49ecee6e3b7919c2abda7d99fed304b446d4bab",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-07-29T13:42:14Z",
    "title_canon_sha256": "99bf19156113bddb29c2be8cf98bbf5b3730ddc007adbea35188e47b32a75234"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26911",
    "kind": "arxiv",
    "version": 1
  }
}