Pith Number

pith:IPAEWQKH

pith:2026:IPAEWQKHEPHBPPOCSKACRG2FQL

not attested not anchored not stored refs pending

XP-TEAL: Gaia XP Tool for Emission and Absorption Lines II. Gaia-HELIX catalogue of H$\alpha$ emitters in Gaia BP/RP spectra

A. Castro-Ginard, C. Jordi, F. Anders, F. Boix, G. Garcia-Moreno, J. Casta\~neda, J. M. Carrasco, M. Weiler, N. Blagorodnova, S. Malhotra, X. Luri

arxiv:2606.21420 v1 · 2026-06-19 · astro-ph.SR · astro-ph.GA · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IPAEWQKHEPHBPPOCSKACRG2FQL}

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	2026-06-23T01:13:09.725464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43c04b414723ce17bdc29280289b4582c87812f2d2d3181ce86de078efc65874

Aliases

arxiv: 2606.21420 · arxiv_version: 2606.21420v1 · doi: 10.48550/arxiv.2606.21420 · pith_short_12: IPAEWQKHEPHB · pith_short_16: IPAEWQKHEPHBPPOC · pith_short_8: IPAEWQKH

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/IPAEWQKHEPHBPPOCSKACRG2FQL \
  | 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: 43c04b414723ce17bdc29280289b4582c87812f2d2d3181ce86de078efc65874

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f81b30479f23aa79ae69f05662db6b8b56d1095247e66bee68e571fafb929d9a",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-06-19T13:40:04Z",
    "title_canon_sha256": "e0f32073a6e3bbca323acfc62f3fcce5f146503202261f0a8d194f0636df8f1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21420",
    "kind": "arxiv",
    "version": 1
  }
}