Pith Number

pith:5MLT2EIY

pith:2012:5MLT2EIYS3T7IP5M7UQ75FFEXA

not attested not anchored not stored refs pending

Broad, weak 21 cm absorption in an early type galaxy: spectral-line finding and parametrization for future surveys

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

arxiv:1211.3452 v3 · 2012-11-14 · 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{5MLT2EIYS3T7IP5M7UQ75FFEXA}

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	2026-05-18T01:53:11.032585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb173d111896e7f43facfd21fe94a4b807893a7562dc92bc205805a06bf787aa

Aliases

arxiv: 1211.3452 · arxiv_version: 1211.3452v3 · doi: 10.48550/arxiv.1211.3452 · pith_short_12: 5MLT2EIYS3T7 · pith_short_16: 5MLT2EIYS3T7IP5M · pith_short_8: 5MLT2EIY

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/5MLT2EIYS3T7IP5M7UQ75FFEXA \
  | 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: eb173d111896e7f43facfd21fe94a4b807893a7562dc92bc205805a06bf787aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3129f4b3ac09fccaabf6883c8eabea8640125a1e64931e1d6f90cab348ac3340",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-14T22:31:27Z",
    "title_canon_sha256": "b216e37ecc9e1dbba6a0d9734993eb348827d80f8da9087d85e6667f104cdf00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3452",
    "kind": "arxiv",
    "version": 3
  }
}