Pith Number

pith:RKFD57F3

pith:2025:RKFD57F3ZEZ35HPLOSGVTAVXGM

not attested not anchored not stored refs pending

The Qz5 Survey (I): How the HI Mass Density of the Universe Evolves With Cosmic Time

Fiona Ozyurt, George D. Becker, Grecco A. Oyarz\'un, G. Worseck, J. Xavier Prochaska, Lise Christensen, Marcel Neeleman, Marc Rafelski, M.E. Wisz, Michele Fumagalli, Regina A. Jorgenson, Sebasti\'an L\'opez

arxiv:2502.05261 v2 · 2025-02-07 · astro-ph.GA · 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{RKFD57F3ZEZ35HPLOSGVTAVXGM}

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

1 paper in Pith

Lyman-alpha haloes in the aftermath of reionisation

Receipt and verification

First computed	2026-07-05T10:36:35.779653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a8a3efcbbc933be9deb748d5982b7333629dda7d2e8817b8232e711653382f6

Aliases

arxiv: 2502.05261 · arxiv_version: 2502.05261v2 · doi: 10.48550/arxiv.2502.05261 · pith_short_12: RKFD57F3ZEZ3 · pith_short_16: RKFD57F3ZEZ35HPL · pith_short_8: RKFD57F3

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/RKFD57F3ZEZ35HPLOSGVTAVXGM \
  | 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: 8a8a3efcbbc933be9deb748d5982b7333629dda7d2e8817b8232e711653382f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "607f618c92cb502a0ca01de58672c0ad7b5d9189ae4d2d9bfdbeb18df6dbfb61",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-07T19:00:01Z",
    "title_canon_sha256": "532ccb28f7f713c54ba4c49af6cf27e9bb67637380e66d153136ade877facf36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.05261",
    "kind": "arxiv",
    "version": 2
  }
}