Pith Number

pith:72YSI3YH

pith:2021:72YSI3YHIMA7H7GQPJ5C7QJVCR

not attested not anchored not stored refs pending

The Star Formation Rates of Elliptical Galaxies from Core-Collapse Supernovae

Garreth Martin, Ivan K. Baldry, Philip A. James, Sugata Kaviraj, Thomas M. Sedgwick

arxiv:2106.13812 v1 · 2021-06-25 · 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{72YSI3YHIMA7H7GQPJ5C7QJVCR}

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.

Cited by

1 paper in Pith

MWA and VLA Observations of Diffuse Radio Lobes in M 87

Receipt and verification

First computed	2026-07-05T02:52:28.912538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feb1246f074301f3fcd07a7a2fc135146fb4cc3a4fe1a3891e8ea7c9e3715fc8

Aliases

arxiv: 2106.13812 · arxiv_version: 2106.13812v1 · doi: 10.48550/arxiv.2106.13812 · pith_short_12: 72YSI3YHIMA7 · pith_short_16: 72YSI3YHIMA7H7GQ · pith_short_8: 72YSI3YH

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/72YSI3YHIMA7H7GQPJ5C7QJVCR \
  | 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: feb1246f074301f3fcd07a7a2fc135146fb4cc3a4fe1a3891e8ea7c9e3715fc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffea602d17e16d69a305ef26d98269938ca5d86941fbcbee97854a70e2a90d3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-06-25T18:00:02Z",
    "title_canon_sha256": "9df2bfb932c83e3debfab440b903231bec602e070c4d8d83384ed0b3d721c5c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.13812",
    "kind": "arxiv",
    "version": 1
  }
}