Pith Number

pith:3MHZIMTV

pith:2017:3MHZIMTV2J3VFQWIUKZCRBFU7K

not attested not anchored not stored refs pending

The AMIGA sample of isolated galaxies XIII. The HI content of an almost "nurture free" sample

Daniel Espada, David E. Jones, Jack Sulentic, Jose Sabater, Julian Garrido, Lourdes Verdes-Montenegro, Michael G. Jones, Stephane Leon, Susana Sanchez, Ute Lisenfeld, Walter K. Huchtmeier

arxiv:1710.03034 v2 · 2017-10-09 · 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{3MHZIMTV2J3VFQWIUKZCRBFU7K}

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	2026-05-18T00:27:12.722207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db0f943275d27752c2c8a2b22884b4fa8dd01de96419d5421e55bb794879e367

Aliases

arxiv: 1710.03034 · arxiv_version: 1710.03034v2 · doi: 10.48550/arxiv.1710.03034 · pith_short_12: 3MHZIMTV2J3V · pith_short_16: 3MHZIMTV2J3VFQWI · pith_short_8: 3MHZIMTV

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/3MHZIMTV2J3VFQWIUKZCRBFU7K \
  | 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: db0f943275d27752c2c8a2b22884b4fa8dd01de96419d5421e55bb794879e367

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d121081a1e9b567a8054b1c6628f258f334ec7376b56630017a3e6fc23e4dca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-10-09T11:29:17Z",
    "title_canon_sha256": "ab8a3a931b6f5d6ce61e9b12abdeb84946beed22d3fc3dee3df49d144961ec17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.03034",
    "kind": "arxiv",
    "version": 2
  }
}