Pith Number

pith:TYEFPDCB

pith:2025:TYEFPDCBY7RMXSRVVUK53KCSWP

not attested not anchored not stored refs pending

Elliptical (E) and ellicular (ES) galaxies in the M_bh-M_*,sph diagram, and a merger-driven explanation for the origin of ES galaxies, anti-truncated stellar discs in lenticular galaxies, and the Sersicification of E galaxy light profiles

Alister W. Graham

arxiv:2501.09953 v1 · 2025-01-17 · 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{TYEFPDCBY7RMXSRVVUK53KCSWP}

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	2026-07-05T10:02:13.827678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e08578c41c7e2cbca35ad15dda852b3ea25eba7d69a39087f3dd679453e776e

Aliases

arxiv: 2501.09953 · arxiv_version: 2501.09953v1 · doi: 10.48550/arxiv.2501.09953 · pith_short_12: TYEFPDCBY7RM · pith_short_16: TYEFPDCBY7RMXSRV · pith_short_8: TYEFPDCB

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/TYEFPDCBY7RMXSRVVUK53KCSWP \
  | 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: 9e08578c41c7e2cbca35ad15dda852b3ea25eba7d69a39087f3dd679453e776e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6db0ab2cfe91a8a37af353546640b7cd7c2d2b2c3a231c742ed965c6623f4baa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-01-17T04:53:05Z",
    "title_canon_sha256": "dbfd08f3f7d98899defcb75950ebf4a957e90eb028ae18a04bacca2a4d9c39ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.09953",
    "kind": "arxiv",
    "version": 1
  }
}