Pith Number

pith:QXEKAABJ

pith:2014:QXEKAABJ5RNUONPHPEBJMGBJZM

not attested not anchored not stored refs pending

The ($NUV-r$) vs. $M_r$ as a tracer of early-type galaxies evolution in USGC U376 and LGG 225 groups

Antonietta Marino, Paola Mazzei, Roberto Rampazzo

arxiv:1401.4003 v1 · 2014-01-16 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QXEKAABJ5RNUONPHPEBJMGBJZM}

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	2026-05-18T01:45:24.927827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85c8a00029ec5b4735e77902961829cb0f4561d81e5beb4a785d2b5b2480972d

Aliases

arxiv: 1401.4003 · arxiv_version: 1401.4003v1 · doi: 10.48550/arxiv.1401.4003 · pith_short_12: QXEKAABJ5RNU · pith_short_16: QXEKAABJ5RNUONPH · pith_short_8: QXEKAABJ

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/QXEKAABJ5RNUONPHPEBJMGBJZM \
  | 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: 85c8a00029ec5b4735e77902961829cb0f4561d81e5beb4a785d2b5b2480972d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e06f68113e3401a1f8a6eaf8230af09826f1703406c08b93b2bb1ec283d02c4e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-01-16T12:09:26Z",
    "title_canon_sha256": "90f2ecbafe2cd63e0826ab52611b349152704a75e8225ecfc39a5f5f4773b7f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4003",
    "kind": "arxiv",
    "version": 1
  }
}