Pith Number

pith:GEG3A5RP

pith:2020:GEG3A5RPFRRZYNMJ6MBUVK4JK4

not attested not anchored not stored refs pending

Dusty Stellar Birth and Death in the Metal-Poor Galaxy NGC 6822

Alec S. Hirschauer, B. A. Sargent, Laurin Gray, Margaret Meixner, Martha L. Boyer, Olivia C. Jones, Sundar Srinivasan

arxiv:2002.12437 v1 · 2020-02-27 · 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{GEG3A5RPFRRZYNMJ6MBUVK4JK4}

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	2026-07-05T00:53:18.822554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

310db0762f2c639c3589f3034aab895727e12315bb13b009b0f8e7b2c9066ef6

Aliases

arxiv: 2002.12437 · arxiv_version: 2002.12437v1 · doi: 10.48550/arxiv.2002.12437 · pith_short_12: GEG3A5RPFRRZ · pith_short_16: GEG3A5RPFRRZYNMJ · pith_short_8: GEG3A5RP

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/GEG3A5RPFRRZYNMJ6MBUVK4JK4 \
  | 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: 310db0762f2c639c3589f3034aab895727e12315bb13b009b0f8e7b2c9066ef6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78e851bd481581fc27f8dfdd04a0f55a318fcf069d9423adad08149e86b7bb09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-02-27T21:00:13Z",
    "title_canon_sha256": "e597dedcb75de728f4ae400543a4fc9826af5756068ca891aaff10912c8691ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.12437",
    "kind": "arxiv",
    "version": 1
  }
}