Pith Number

pith:VIZJBYVS

pith:2010:VIZJBYVSIQAVGUVBA3LYU3YCB5

not attested not anchored not stored refs pending

Physico-chemical spectroscopic mapping of the planetary nebula NGC 40 and the 2D_NEB, a new 2D algorithm to study ionised nebulae

(2) N\'ucleo de Astrof\'isica Te\'orica-CETEC-UNICSUL, 3), (3) Universidade Federal de Itajub\'a, (4) Astronomy Department, 5) ((1) UFRJ - Observat\'orio do Valongo, (5) Statistics Department, D. R. Gon\c{c}alves (1), H. Monteiro (2, J. W. Richards (4, M. L. Leal-Ferreira (1), University of California Berkeley, University of California Berkeley)

arxiv:1009.5876 v1 · 2010-09-29 · 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{VIZJBYVSIQAVGUVBA3LYU3YCB5}

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	2026-05-18T03:27:33.231248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa3290e2b244015352a106d78a6f020f6526be6ad79cd02e7985ad166c016aac

Aliases

arxiv: 1009.5876 · arxiv_version: 1009.5876v1 · doi: 10.48550/arxiv.1009.5876 · pith_short_12: VIZJBYVSIQAV · pith_short_16: VIZJBYVSIQAVGUVB · pith_short_8: VIZJBYVS

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/VIZJBYVSIQAVGUVBA3LYU3YCB5 \
  | 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: aa3290e2b244015352a106d78a6f020f6526be6ad79cd02e7985ad166c016aac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "788620a72dd341ac3eb865be8d4f88075355b1fc800650ecff3a4745e90f135b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-09-29T13:28:07Z",
    "title_canon_sha256": "42af7270497a80c934015e4ea28f5c02d67eb237e403f49292d9330310cf560c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5876",
    "kind": "arxiv",
    "version": 1
  }
}