Pith Number

pith:U5H2CEK4

pith:2021:U5H2CEK4IUHNPIOG4RERRIPST5

not attested not anchored not stored refs pending

HI observations of the MATLAS dwarf and ultra-diffuse galaxies

Francine R. Marleau, Jeremy Fensch, Melina Poulain, Michal Bilek, Oliver Mueller, Patrick R. Durrell, Pierre-Alain Duc, Rebecca Habas, Ruben Sanchez-Janssen, Sanjaya Paudel, Sungsoon Lim

arxiv:2111.14491 v1 · 2021-11-29 · 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{U5H2CEK4IUHNPIOG4RERRIPST5}

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	2026-07-05T04:04:25.988567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a74fa1115c450ed7a1c6e44918a1f29f53006d7951c7ae493898a2303d20e20c

Aliases

arxiv: 2111.14491 · arxiv_version: 2111.14491v1 · doi: 10.48550/arxiv.2111.14491 · pith_short_12: U5H2CEK4IUHN · pith_short_16: U5H2CEK4IUHNPIOG · pith_short_8: U5H2CEK4

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/U5H2CEK4IUHNPIOG4RERRIPST5 \
  | 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: a74fa1115c450ed7a1c6e44918a1f29f53006d7951c7ae493898a2303d20e20c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a148e8b32ee11783cca40784872e8503c84a2efab5546ec70fd1fab64071aaf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-11-29T12:29:40Z",
    "title_canon_sha256": "017e885046019cc35884dbe03d63ca2305c96fd518d3920b1ab234476dc8350d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.14491",
    "kind": "arxiv",
    "version": 1
  }
}