Pith Number

pith:PZXLFIHY

pith:2011:PZXLFIHYYCX3HW24K4WEDAABYF

not attested not anchored not stored refs pending

Chlorine and Sulfur in Nearby Planetary Nebulae and H II Regions

Gloria Delgado-Inglada, M\'onica Rodr\'iguez

arxiv:1109.1861 v1 · 2011-09-09 · 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{PZXLFIHYYCX3HW24K4WEDAABYF}

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	2026-05-18T02:00:37.556688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e6eb2a0f8c0afb3db5c572c418001c15a0e79822f3a8f9c4b9604452255cf5e

Aliases

arxiv: 1109.1861 · arxiv_version: 1109.1861v1 · doi: 10.48550/arxiv.1109.1861 · pith_short_12: PZXLFIHYYCX3 · pith_short_16: PZXLFIHYYCX3HW24 · pith_short_8: PZXLFIHY

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/PZXLFIHYYCX3HW24K4WEDAABYF \
  | 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: 7e6eb2a0f8c0afb3db5c572c418001c15a0e79822f3a8f9c4b9604452255cf5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fab41ee4b0442e9dc9b1a70786fd8c404c941c01920dd931118ae3dc496650f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-09-09T00:04:54Z",
    "title_canon_sha256": "aff7e55c631dae436a0c9217c9bdf4093e95fc9590176f62e9a9a0d49c091374"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1861",
    "kind": "arxiv",
    "version": 1
  }
}