Pith Number

pith:4VCER6CB

pith:2025:4VCER6CBYSYOCDFAZEJTZTG7DT

not attested not anchored not stored refs pending

Searching for Dark Galaxies with HI detection from the Arecibo Legacy Fast ALFA (ALFALFA) survey

Brian R. Kent, Gain Lee, Ho Seong Hwang, Hyein Yoon, Ilsang Yoon, Minseong Kwon

arxiv:2506.03678 v1 · 2025-06-04 · 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{4VCER6CBYSYOCDFAZEJTZTG7DT}

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	2026-07-05T11:15:49.845668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e54448f841c4b0e10ca0c9133cccdf1cf2455d606d082aef280008cc6e4b49cf

Aliases

arxiv: 2506.03678 · arxiv_version: 2506.03678v1 · doi: 10.48550/arxiv.2506.03678 · pith_short_12: 4VCER6CBYSYO · pith_short_16: 4VCER6CBYSYOCDFA · pith_short_8: 4VCER6CB

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/4VCER6CBYSYOCDFAZEJTZTG7DT \
  | 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: e54448f841c4b0e10ca0c9133cccdf1cf2455d606d082aef280008cc6e4b49cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ef3d8ca119cb6abc2aa4d98efcb2db294307824c0f38861edcf7d6fc535d04b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-06-04T08:10:42Z",
    "title_canon_sha256": "e414f43cdaeae0856f40e3ad17b7219ddfafae1723ec782fe89ccdb2b57b1222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.03678",
    "kind": "arxiv",
    "version": 1
  }
}