Pith Number

pith:DKCFMPO5

pith:2025:DKCFMPO5PIJG2WUP6XCPITWK25

not attested not anchored not stored refs pending

Starburst Galaxies in Their Last Billion Years: An H${\delta}$ Absorption Line Selected Sample

Cheng cheng, Jia-Sheng Huang, Shumei Wu, Y.Sophia Dai

arxiv:2502.04607 v1 · 2025-02-07 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DKCFMPO5PIJG2WUP6XCPITWK25}

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	2026-07-05T10:10:54.246818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a84563ddd7a126d5a8ff5c4f44ecad77b3b8e020ff23c4bc732b40238012a09

Aliases

arxiv: 2502.04607 · arxiv_version: 2502.04607v1 · doi: 10.48550/arxiv.2502.04607 · pith_short_12: DKCFMPO5PIJG · pith_short_16: DKCFMPO5PIJG2WUP · pith_short_8: DKCFMPO5

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/DKCFMPO5PIJG2WUP6XCPITWK25 \
  | 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: 1a84563ddd7a126d5a8ff5c4f44ecad77b3b8e020ff23c4bc732b40238012a09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c165f5b43df95abfe3dca4595f6550aad0dbbca4cf07e50e5e9babe1f57d2d11",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-07T01:48:15Z",
    "title_canon_sha256": "b8205215aaff49d1e1ae2cf06628298d05db053c1f74cf2b6c20d6b4b43c973d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04607",
    "kind": "arxiv",
    "version": 1
  }
}