Pith Number

pith:76KQLAI5

pith:2016:76KQLAI5JE23UIPZLLXF7UOIRU

not attested not anchored not stored refs pending

Chemical abundances of photoionized nebulae in the Local Group

O.Cavichia, R.D.D.Costa, W.J.Maciel

arxiv:1612.04565 v1 · 2016-12-14 · 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{76KQLAI5JE23UIPZLLXF7UOIRU}

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	2026-05-18T00:54:59.188643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff9505811d4935ba21f95aee5fd1c88d291da485e9fbbe8956efd79b0b9c7b71

Aliases

arxiv: 1612.04565 · arxiv_version: 1612.04565v1 · doi: 10.48550/arxiv.1612.04565 · pith_short_12: 76KQLAI5JE23 · pith_short_16: 76KQLAI5JE23UIPZ · pith_short_8: 76KQLAI5

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/76KQLAI5JE23UIPZLLXF7UOIRU \
  | 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: ff9505811d4935ba21f95aee5fd1c88d291da485e9fbbe8956efd79b0b9c7b71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b46d3356d86f1fc7e4216c4f9f5b2f8d1ce56bf49704e6303960dff69fdf489",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-14T10:32:50Z",
    "title_canon_sha256": "92f89a1375da5031fe87659444beaf293793fe2d8e49a4ee1c73f22fac20bb5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04565",
    "kind": "arxiv",
    "version": 1
  }
}