Pith Number

pith:JEV4VQI6

pith:2015:JEV4VQI6PLBKEXV6FWIBEHUTET

not attested not anchored not stored refs pending

Galaxy Groups: A 2MASS Catalog

R. Brent Tully

arxiv:1503.03134 v1 · 2015-03-11 · astro-ph.CO · 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{JEV4VQI6PLBKEXV6FWIBEHUTET}

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	2026-05-18T01:40:52.495192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

492bcac11e7ac2a25ebe2d90121e9324c6b710b132e89c17dfae847006d24ec9

Aliases

arxiv: 1503.03134 · arxiv_version: 1503.03134v1 · doi: 10.48550/arxiv.1503.03134 · pith_short_12: JEV4VQI6PLBK · pith_short_16: JEV4VQI6PLBKEXV6 · pith_short_8: JEV4VQI6

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/JEV4VQI6PLBKEXV6FWIBEHUTET \
  | 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: 492bcac11e7ac2a25ebe2d90121e9324c6b710b132e89c17dfae847006d24ec9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5a308d8eae76420a7c2f2f43ead69ecfa70cd262574516b1e2f84340e84471f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-03-11T00:34:23Z",
    "title_canon_sha256": "381d0a811f5a59db08f5ff92e0cffa4315078839ef422953512964e34d5e5120"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03134",
    "kind": "arxiv",
    "version": 1
  }
}