Pith Number

pith:32MELWUN

pith:2012:32MELWUNN6KADP4NWDNL46OH3D

not attested not anchored not stored refs pending

Probing the cool ISM in galaxies via 21cm HI absorption

2, 2), (2) ARC Centre of Excellence for All-sky Astrophysics, 3) ((1) University of Sydney, (3) CSIRO Astronomy & Space Science), E. M. Sadler (1, J. R. Allison (1), S. J. Curran (1, S. N. Reeves (1

arxiv:1209.5796 v2 · 2012-09-25 · 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{32MELWUNN6KADP4NWDNL46OH3D}

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	2026-05-18T01:54:18.783489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de9845da8d6f9401bf8db0dabe79c7d8d9cb1cfbd7a97a0e84cdea5f6d396041

Aliases

arxiv: 1209.5796 · arxiv_version: 1209.5796v2 · doi: 10.48550/arxiv.1209.5796 · pith_short_12: 32MELWUNN6KA · pith_short_16: 32MELWUNN6KADP4N · pith_short_8: 32MELWUN

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/32MELWUNN6KADP4NWDNL46OH3D \
  | 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: de9845da8d6f9401bf8db0dabe79c7d8d9cb1cfbd7a97a0e84cdea5f6d396041

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f8f7a67a7bd196e8ca05ab8e44dd6407883bda8b60d205ed9c1cca82cb39095",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-25T23:49:46Z",
    "title_canon_sha256": "262199bbd610eff47eba5f31d27b4c010b8aa92ce72a90eced48a69188d7860f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5796",
    "kind": "arxiv",
    "version": 2
  }
}