Pith Number

pith:QO2PVPCI

pith:2020:QO2PVPCIVPQOAKLF7ND3EDLFCB

not attested not anchored not stored refs pending

The First Extensive Spectroscopic Study of Young Stars in the North America and Pelican Nebulae Region

Gregory J. Herczeg, Hongchi Wang, Jinyoung Serena Kim, John M. Carpenter, Krzysztof Findeisen, Luisa M. Rebull, Lynne A. Hillenbrand, Min Fang

arxiv:2009.11995 v1 · 2020-09-25 · astro-ph.SR · 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{QO2PVPCIVPQOAKLF7ND3EDLFCB}

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	2026-07-05T01:57:54.683627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83b4fabc48abe0e02965fb47b20d65104efce29bb4700e747a594f43af40e83b

Aliases

arxiv: 2009.11995 · arxiv_version: 2009.11995v1 · doi: 10.48550/arxiv.2009.11995 · pith_short_12: QO2PVPCIVPQO · pith_short_16: QO2PVPCIVPQOAKLF · pith_short_8: QO2PVPCI

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/QO2PVPCIVPQOAKLF7ND3EDLFCB \
  | 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: 83b4fabc48abe0e02965fb47b20d65104efce29bb4700e747a594f43af40e83b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92aded18043139c83546945b744c4d1d3fd5ecea7c47ae2098399135fac23c55",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-09-25T01:38:49Z",
    "title_canon_sha256": "be7bbd5a22d9337fadc8f4b8fcede632688dcae2d87f8977542803daa87d2d7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.11995",
    "kind": "arxiv",
    "version": 1
  }
}