Pith Number

pith:N7Z5NQHS

pith:2016:N7Z5NQHSL2HB7POLIKDAB5UJ6C

not attested not anchored not stored refs pending

Zooming on the internal structure of $z\simeq6$ galaxies

A. Ferrara, A. Pallottini, L. Vallini, R. Maiolino, S. Gallerani, S. Salvadori

arxiv:1609.01719 v2 · 2016-09-06 · 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{N7Z5NQHSL2HB7POLIKDAB5UJ6C}

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	2026-05-18T00:52:14.869905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ff3d6c0f25e8e1fbdcb428600f689f0925a5b09ecdfa92908f1c8676b74d8fe

Aliases

arxiv: 1609.01719 · arxiv_version: 1609.01719v2 · doi: 10.48550/arxiv.1609.01719 · pith_short_12: N7Z5NQHSL2HB · pith_short_16: N7Z5NQHSL2HB7POL · pith_short_8: N7Z5NQHS

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/N7Z5NQHSL2HB7POLIKDAB5UJ6C \
  | 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: 6ff3d6c0f25e8e1fbdcb428600f689f0925a5b09ecdfa92908f1c8676b74d8fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78d2f60996f4d8363fe877fc9215c4d8775d640370f4ddc53beced9224a50df5",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-06T20:00:02Z",
    "title_canon_sha256": "b05a3a71d1c43b5e232dbd71f716e44c24e487cd5bed737c27b4c0bd5e51f04c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01719",
    "kind": "arxiv",
    "version": 2
  }
}