Pith Number

pith:X7IFHIW4

pith:2017:X7IFHIW4RBGUAD77QEZUHWLV3P

not attested not anchored not stored refs pending

The HI content of isolated ultra-diffuse galaxies: A sign of multiple formation mechanisms?

(2) ASTRON, (3) San Jose State University, A.J. Romanowsky (3) ((1) Kapteyn Astronomical Institute, E.A.K. Adams (2), E. Papastergis (1), Netherlands, USA)

arxiv:1703.05610 v3 · 2017-03-16 · 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{X7IFHIW4RBGUAD77QEZUHWLV3P}

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	2026-05-18T00:43:53.543505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfd053a2dc884d400fff813343d975dbfb6510638f81544beda32c58b0ac4e9f

Aliases

arxiv: 1703.05610 · arxiv_version: 1703.05610v3 · doi: 10.48550/arxiv.1703.05610 · pith_short_12: X7IFHIW4RBGU · pith_short_16: X7IFHIW4RBGUAD77 · pith_short_8: X7IFHIW4

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/X7IFHIW4RBGUAD77QEZUHWLV3P \
  | 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: bfd053a2dc884d400fff813343d975dbfb6510638f81544beda32c58b0ac4e9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a225bbad155c04816076aacb6e9eaffb13301df9e88e812f696104ee212e7df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-03-16T13:22:01Z",
    "title_canon_sha256": "0581eb438d03770b7fe05b4faa75f4e853d55e7d04d8981650ca1cf4e1dc0d2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05610",
    "kind": "arxiv",
    "version": 3
  }
}