Pith Number

pith:EAT4FVXB

pith:2022:EAT4FVXB5DI7SH436NGBT65FBO

not attested not anchored not stored refs pending

Disturbed, diffuse, or just missing? A global study of the HI content of Hickson Compact Groups

A. Damas Segovia, A. Del Olmo, D. Lopez Gutierrez, J. Cannon, J. Garrido, J. Moldon, J. Perea, L. Verdes-Montenegro, M. Cluver, M. G. Jones, M. Yun, S. Borthakur, S. Luna, S. Sanchez

arxiv:2211.15687 v2 · 2022-11-28 · 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{EAT4FVXB5DI7SH436NGBT65FBO}

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	2026-07-05T05:37:46.985040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2027c2d6e1e8d1f91f9bf34c19fba50bbcdc7c44e8933d7530d557da8fe7b3b3

Aliases

arxiv: 2211.15687 · arxiv_version: 2211.15687v2 · doi: 10.48550/arxiv.2211.15687 · pith_short_12: EAT4FVXB5DI7 · pith_short_16: EAT4FVXB5DI7SH43 · pith_short_8: EAT4FVXB

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/EAT4FVXB5DI7SH436NGBT65FBO \
  | 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: 2027c2d6e1e8d1f91f9bf34c19fba50bbcdc7c44e8933d7530d557da8fe7b3b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ac6dcbedf211516b9fd3ace396247d9ba10bfe6a3a7e66009a4296193ad3328",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-11-28T19:00:01Z",
    "title_canon_sha256": "bb40ecc98a63a14aa7e74ee3f5331f68b366c2ba2eb501de473971ac6c0bdf28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.15687",
    "kind": "arxiv",
    "version": 2
  }
}