Pith Number

pith:UVPFXHBB

pith:2010:UVPFXHBBOYHODQS2O7FLAVO2JX

not attested not anchored not stored refs pending

Counter-dispersed slitless-spectroscopy technique: planetary nebula velocities in the halo of NGC 1399

Emily McNeil, Ken Freeman, Lodovico Coccato, Magda Arnaboldi, Ortwin Gerhard, Payel Das

arxiv:1009.1682 v1 · 2010-09-09 · 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{UVPFXHBBOYHODQS2O7FLAVO2JX}

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	2026-05-18T04:41:13.788873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a55e5b9c21760ee1c25a77cab055da4dc90e9bbee7694c5e2667d961652fe13e

Aliases

arxiv: 1009.1682 · arxiv_version: 1009.1682v1 · doi: 10.48550/arxiv.1009.1682 · pith_short_12: UVPFXHBBOYHO · pith_short_16: UVPFXHBBOYHODQS2 · pith_short_8: UVPFXHBB

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/UVPFXHBBOYHODQS2O7FLAVO2JX \
  | 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: a55e5b9c21760ee1c25a77cab055da4dc90e9bbee7694c5e2667d961652fe13e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b94e2652f0b40cec9f7bf1e19f2f4ee6bf5892e8b76c3ffe8c019b486c6466e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-09-09T04:22:40Z",
    "title_canon_sha256": "2ce69ab13913aca0c5d97dea59b6230e5f7d4b592f8d1eecced5197354a83afa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1682",
    "kind": "arxiv",
    "version": 1
  }
}