Pith Number

pith:7JJ2TXHP

pith:2018:7JJ2TXHPQ5YYTMD7EHTYIO2I6K

not attested not anchored not stored refs pending

The extended Planetary Nebula Spectrograph (ePN.S) early type galaxy survey: the kinematic diversity of stellar halos

Claudia Pulsoni, Lodovico Coccato, Magda Arnaboldi, Ortwin Gerhard, PN.S Consortium

arxiv:1811.02354 v1 · 2018-11-06 · 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{7JJ2TXHPQ5YYTMD7EHTYIO2I6K}

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	2026-05-18T00:01:24.479401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa53a9dcef877189b07f21e7843b48f2a44be621aa890aefbad428b742cae7bd

Aliases

arxiv: 1811.02354 · arxiv_version: 1811.02354v1 · doi: 10.48550/arxiv.1811.02354 · pith_short_12: 7JJ2TXHPQ5YY · pith_short_16: 7JJ2TXHPQ5YYTMD7 · pith_short_8: 7JJ2TXHP

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/7JJ2TXHPQ5YYTMD7EHTYIO2I6K \
  | 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: fa53a9dcef877189b07f21e7843b48f2a44be621aa890aefbad428b742cae7bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "889c7e097b6c384073c23d8a05711a86e03bdef3e2918aac9ef4dc106ba34cf7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-06T14:03:33Z",
    "title_canon_sha256": "5f1b936dd0af91777df9472a930646d687eda0a214c295741fd791a091428190"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02354",
    "kind": "arxiv",
    "version": 1
  }
}