Pith Number

pith:TV2OD6PI

pith:2020:TV2OD6PIS7HDXWCU56VF7OVD3C

not attested not anchored not stored refs pending

Measuring Young Stars in Space and Time -- I. The Photometric Catalog and Extinction Properties of N44

Andrew E. Dolphin, C.-H. Rosie Chen, Dimitrios Gouliermis, Elena Sabbi, Guido De Marchi, Jenna E. Ryon, Mario Gennaro, Massimo Robberto, Michele Cignoni, Ralf S. Klessen, Ullrich Koethe, Victor F. Ksoll

arxiv:2012.00521 v2 · 2020-12-01 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TV2OD6PIS7HDXWCU56VF7OVD3C}

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	2026-07-05T02:41:09.249711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d74e1f9e897ce3bd854efaa5fbaa3d8bfbf3d833a86bd405b7d46e67537a999

Aliases

arxiv: 2012.00521 · arxiv_version: 2012.00521v2 · doi: 10.48550/arxiv.2012.00521 · pith_short_12: TV2OD6PIS7HD · pith_short_16: TV2OD6PIS7HDXWCU · pith_short_8: TV2OD6PI

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/TV2OD6PIS7HDXWCU56VF7OVD3C \
  | 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: 9d74e1f9e897ce3bd854efaa5fbaa3d8bfbf3d833a86bd405b7d46e67537a999

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83a95453d2eb00058bd4d55df2493f0db3b561b9fa42b2b765d23c61e59aede9",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-12-01T14:33:01Z",
    "title_canon_sha256": "d4676866f103b2797dff9cf2691e2141222f6bd87a9ea7ea666adac143ae97d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.00521",
    "kind": "arxiv",
    "version": 2
  }
}