Pith Number

pith:UPJKYK3S

pith:2020:UPJKYK3SCGTFVEMPLKUASNHCSD

not attested not anchored not stored refs pending

Mapping the ionized gas of the metal-poor HII galaxy PHL 293B with MEGARA

A. Castillo-Morales, A. Gil de Paz, A.I. Diaz, A. Perez-Calpena, C. Kehrig, E. Carrasco, E. Perez-Montero, I. Martinez-Delgado, J. Gallego, J. Iglesias-Paramo, J.M. Vilchez, M.L. Garcia-Vargas, N. Cardiel, P. Gomez-Alvarez, R. Cedazo, S. Duarte Puertas, S. Pascual

arxiv:2009.11600 v1 · 2020-09-24 · 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{UPJKYK3SCGTFVEMPLKUASNHCSD}

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	2026-07-05T01:39:08.531137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3d2ac2b7211a65a918f5aa80934e290c00fad05623a322318ee6ef2c8aa6a17

Aliases

arxiv: 2009.11600 · arxiv_version: 2009.11600v1 · doi: 10.48550/arxiv.2009.11600 · pith_short_12: UPJKYK3SCGTF · pith_short_16: UPJKYK3SCGTFVEMP · pith_short_8: UPJKYK3S

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/UPJKYK3SCGTFVEMPLKUASNHCSD \
  | 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: a3d2ac2b7211a65a918f5aa80934e290c00fad05623a322318ee6ef2c8aa6a17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ce949440fd277e58469608786a2aa3ddbe036f6d2639a722d63e551b27d2c21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-09-24T11:07:40Z",
    "title_canon_sha256": "10120917fd5f6ada37ae2311e90cbb4029afad679239df5e88c0f1369eda0073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.11600",
    "kind": "arxiv",
    "version": 1
  }
}