Pith Number

pith:ENJ3GJ4Q

pith:2007:ENJ3GJ4Q5IOW2E467UTLTUAP63

not attested not anchored not stored refs pending

The HI content of star-forming galaxies at z = 0.24

Frank H. Briggs, Jayaram N. Chengalur, Masafumi Yagi, Masaru Ajiki, Matthew Colless, Michael B. Pracy, Philip Lah, Roberto De Propris, Sadanori Okamura, Shinobu S. Fujita, Takashi Murayama, Tohru Nagao, W. J. G. de Blok, Yasuhiro Shioya, Yoshiaki Taniguchi

arxiv:astro-ph/0701668 v1 · 2007-01-24 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ENJ3GJ4Q5IOW2E467UTLTUAP63}

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

Weak Evolution of Cosmic Atomic Hydrogen over the Past 4.5 Billion Years

Receipt and verification

First computed	2026-07-04T15:16:32.086795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2353b32790ea1d6d139efd26b9d00ff6c13e1576f5c20b6d73bc835c2f45cf3c

Aliases

arxiv: astro-ph/0701668 · arxiv_version: astro-ph/0701668v1 · doi: 10.48550/arxiv.astro-ph/0701668 · pith_short_12: ENJ3GJ4Q5IOW · pith_short_16: ENJ3GJ4Q5IOW2E46 · pith_short_8: ENJ3GJ4Q

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/ENJ3GJ4Q5IOW2E467UTLTUAP63 \
  | 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: 2353b32790ea1d6d139efd26b9d00ff6c13e1576f5c20b6d73bc835c2f45cf3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0ea7b9394ffff5902e4b0f58a7bd730c2cc9a9665cd8ed18a0e0de7549be8c9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-24T00:15:13Z",
    "title_canon_sha256": "b1a0bd1dd76584a0160efebb738aa65d1d876c24695e73c47bd4ce28c91b74c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701668",
    "kind": "arxiv",
    "version": 1
  }
}