Pith Number

pith:ZDSC6SPA

pith:2025:ZDSC6SPA6YYA5TMOP4U6QJFJWU

not attested not anchored not stored refs pending

Cosmological super-resolution of the 21-cm signal

Anastasia Fialkov, Eloy de Lera Acedo, Jiten Dhandha, Simon Pochinda

arxiv:2502.00852 v1 · 2025-02-02 · 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{ZDSC6SPA6YYA5TMOP4U6QJFJWU}

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	2026-07-05T10:08:39.245808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8e42f49e0f6300ecd8e7f29e824a9b500d00c177d68267dbc9d03dca1d05a14

Aliases

arxiv: 2502.00852 · arxiv_version: 2502.00852v1 · doi: 10.48550/arxiv.2502.00852 · pith_short_12: ZDSC6SPA6YYA · pith_short_16: ZDSC6SPA6YYA5TMO · pith_short_8: ZDSC6SPA

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/ZDSC6SPA6YYA5TMOP4U6QJFJWU \
  | 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: c8e42f49e0f6300ecd8e7f29e824a9b500d00c177d68267dbc9d03dca1d05a14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3fc08fb4ed0edea8710906a621f26e6af7f34e0796be8ad59bb10a59ca4e63c",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-02-02T16:52:29Z",
    "title_canon_sha256": "f73878016be71657788bd012eab70cc2221f34f454e4666fb2eee5e2babc3f3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.00852",
    "kind": "arxiv",
    "version": 1
  }
}