Pith Number

pith:VSZYLO3B

pith:2020:VSZYLO3BXFG63G6XEYIY5KCPLW

not attested not anchored not stored refs pending

xGASS: HI fueling of star formation in disk-dominated galaxies

Amelie Saintonge, Barbara Catinella, Jing Wang, Li Shao, Paolo Serra, Zhizheng Pan

arxiv:2001.01970 v1 · 2020-01-07 · 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{VSZYLO3BXFG63G6XEYIY5KCPLW}

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	2026-07-05T00:43:44.959122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acb385bb61b94ded9bd726118ea84f5d8090ccc4ba7ffbb7608fc1e6496f2a56

Aliases

arxiv: 2001.01970 · arxiv_version: 2001.01970v1 · doi: 10.48550/arxiv.2001.01970 · pith_short_12: VSZYLO3BXFG6 · pith_short_16: VSZYLO3BXFG63G6X · pith_short_8: VSZYLO3B

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/VSZYLO3BXFG63G6XEYIY5KCPLW \
  | 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: acb385bb61b94ded9bd726118ea84f5d8090ccc4ba7ffbb7608fc1e6496f2a56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16f8ef8ee7a0c746319cddae14e08788e807b9f4b3dfdca55fc58780ba02ea3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-01-07T11:09:55Z",
    "title_canon_sha256": "b83abffe03e3f4e8e59d439be5d519b6eb83b44b671d5fdfb8eb740a14319146"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.01970",
    "kind": "arxiv",
    "version": 1
  }
}