Pith Number

pith:HIK6SDJ5

pith:2015:HIK6SDJ5JQIHL2ZMBAH7TAJ4HT

not attested not anchored not stored refs pending

Catalogues of isolated galaxies, isolated pairs, and isolated triplets in the local Universe

D. Espada, E. Ramos Carmona, G. Bergond, J. E. Ruiz, J. Sabater, J. Sulentic, M. Argudo-Fern\'andez, M. Fern\'andez Lorenzo, S. Duarte Puertas, S. Leon, S. Verley

arxiv:1504.00117 v2 · 2015-04-01 · 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{HIK6SDJ5JQIHL2ZMBAH7TAJ4HT}

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	2026-05-18T01:46:21.465429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a15e90d3d4c1075eb2c080ff9813c3cc3c9503162d50e7fa323163726478ab6

Aliases

arxiv: 1504.00117 · arxiv_version: 1504.00117v2 · doi: 10.48550/arxiv.1504.00117 · pith_short_12: HIK6SDJ5JQIH · pith_short_16: HIK6SDJ5JQIHL2ZM · pith_short_8: HIK6SDJ5

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/HIK6SDJ5JQIHL2ZMBAH7TAJ4HT \
  | 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: 3a15e90d3d4c1075eb2c080ff9813c3cc3c9503162d50e7fa323163726478ab6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fdcc6ff4189eda1f70042d8d8f80e55c8ebe965ee5063c23fc591bc99946e5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-01T06:36:58Z",
    "title_canon_sha256": "3bb5414e91e0663fc2bd40ea993b01ba54a22f68395db31365305d50dc79554c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00117",
    "kind": "arxiv",
    "version": 2
  }
}