Pith Number

pith:XLBLHAHM

pith:2019:XLBLHAHM46WXHVT3JMGKCVOF3N

not attested not anchored not stored refs pending

Evolution of compact groups from intermediate to final stages: A case study of the HI content of HCG 16

Ancor Damas-Segovia, Ascensi\'on del Olmo, Barbara Williams, Diego Lopez Gutierrez, Fr\'ed\'eric P. A. Vogt, Jaime Perea, Javier Rom\'an, John Cannon, Juli\'an Garrido, Lourdes Verdes-Montenegro, Michael G. Jones, Min S. Yun, Pablo Ram\'irez-Moreta, Sanchayeeta Borthakur, Sebasti\'an Luna, Susana Sanchez

arxiv:1910.03420 v1 · 2019-10-08 · 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{XLBLHAHM46WXHVT3JMGKCVOF3N}

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	2026-07-05T00:23:45.223059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bac2b380ece7ad73d67b4b0ca155c5db661498fdfeb86f01d743c77f08575bba

Aliases

arxiv: 1910.03420 · arxiv_version: 1910.03420v1 · doi: 10.48550/arxiv.1910.03420 · pith_short_12: XLBLHAHM46WX · pith_short_16: XLBLHAHM46WXHVT3 · pith_short_8: XLBLHAHM

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/XLBLHAHM46WXHVT3JMGKCVOF3N \
  | 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: bac2b380ece7ad73d67b4b0ca155c5db661498fdfeb86f01d743c77f08575bba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5b0f413e6ecf290357e253db091a6d875ab26455f7740c6c4be13e1c0ea6f93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-10-08T14:25:27Z",
    "title_canon_sha256": "0b539513c3067cbe2aedbe72ae97441cbcbb19180c8adac01e9e117ac0c7ce22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.03420",
    "kind": "arxiv",
    "version": 1
  }
}