Pith Number

pith:5DSNULT4

pith:2019:5DSNULT45QDDUV2FI4BH4AWFQT

not attested not anchored not stored refs pending

The environment of HI-bearing ultra diffuse galaxies in the ALFALFA survey

Andrew Webb, Lukas Leisman, Michael G. Jones, Steven Janowiecki

arxiv:1906.11543 v1 · 2019-06-27 · 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{5DSNULT45QDDUV2FI4BH4AWFQT}

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	2026-07-04T23:50:20.520485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8e4da2e7cec063a574547027e02c584e7d2c9d4c6c6b2b395d1162191b376f5

Aliases

arxiv: 1906.11543 · arxiv_version: 1906.11543v1 · doi: 10.48550/arxiv.1906.11543 · pith_short_12: 5DSNULT45QDD · pith_short_16: 5DSNULT45QDDUV2F · pith_short_8: 5DSNULT4

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/5DSNULT45QDDUV2FI4BH4AWFQT \
  | 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: e8e4da2e7cec063a574547027e02c584e7d2c9d4c6c6b2b395d1162191b376f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5811160c9903cbed79697d32c3a9175af4b65a0d6ad91e0fb3d4a0e631ea2d5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-06-27T10:40:29Z",
    "title_canon_sha256": "c52fcecf388eb89cc26e0e061ba7192f962b958d460faf6911dd43e0b95b10e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11543",
    "kind": "arxiv",
    "version": 1
  }
}