Pith Number

pith:RN25EBTY

pith:2025:RN25EBTYTIYP2PN6UVSC6XZ7TX

not attested not anchored not stored refs pending

DIISC -- VI (COS-DIISC): UV Metal Absorption Relative to the H I disk of Galaxies

Andrew J. Fox, Brad Koplitz, Guinevere Kauffmann, Jason Tumlinson, Mansi Padave, Sanchayeeta Borthakur, Timothy Heckman, Tyler McCabe

arxiv:2502.02583 v2 · 2025-02-04 · 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{RN25EBTYTIYP2PN6UVSC6XZ7TX}

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	2026-07-05T10:32:38.977175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b75d206789a30fd3dbea5642f5f3f9de39719a2abdbcb4974f263d125a6eb31

Aliases

arxiv: 2502.02583 · arxiv_version: 2502.02583v2 · doi: 10.48550/arxiv.2502.02583 · pith_short_12: RN25EBTYTIYP · pith_short_16: RN25EBTYTIYP2PN6 · pith_short_8: RN25EBTY

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/RN25EBTYTIYP2PN6UVSC6XZ7TX \
  | 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: 8b75d206789a30fd3dbea5642f5f3f9de39719a2abdbcb4974f263d125a6eb31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac84d3a0479f966932948386022776dd5f395de8d80e239d7232079f97c2bc31",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-04T18:56:58Z",
    "title_canon_sha256": "d49183925ceb0b7e7bf39e93d3cd3a9bf3a8d560cabd96f348552069c619fba3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02583",
    "kind": "arxiv",
    "version": 2
  }
}