Pith Number

pith:RYST63IG

pith:2020:RYST63IGTYC3ZZ7EGHXLLM24ZW

not attested not anchored not stored refs pending

What Does It Mean to be a "Depleted" Comet? High Spectral Resolution Observations of the Prototypical Depleted Comet 21P/Giacobini-Zinner from McDonald Observatory

Adam J. McKay, Anita L. Cochran, Tyler Nelson

arxiv:2009.01308 v1 · 2020-09-02 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RYST63IGTYC3ZZ7EGHXLLM24ZW}

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	2026-07-05T01:32:48.128489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e253f6d069e05bce7e431eeb5b35ccd9a19d84cf08b86ddee46eeaac155ffe7

Aliases

arxiv: 2009.01308 · arxiv_version: 2009.01308v1 · doi: 10.48550/arxiv.2009.01308 · pith_short_12: RYST63IGTYC3 · pith_short_16: RYST63IGTYC3ZZ7E · pith_short_8: RYST63IG

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/RYST63IGTYC3ZZ7EGHXLLM24ZW \
  | 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: 8e253f6d069e05bce7e431eeb5b35ccd9a19d84cf08b86ddee46eeaac155ffe7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e3600c03d7da20b201a3c8de14b64465837c365fb70209e0c1e7dd6658757f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-09-02T19:19:41Z",
    "title_canon_sha256": "48bc1772e6b26cb8975c7ae00eda93686143a16c38d0095412db1512cceef7f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.01308",
    "kind": "arxiv",
    "version": 1
  }
}