Pith Number

pith:D5A2S5JN

pith:2019:D5A2S5JN5YGMVW5NOMTYYRBBKF

not attested not anchored not stored refs pending

Bondi accretion in the finite luminous region of elliptical galaxies

M. Samadi, S. Abbassi, S. Zangeneh

arxiv:1908.07356 v1 · 2019-08-19 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D5A2S5JN5YGMVW5NOMTYYRBBKF}

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	2026-07-05T00:06:54.134529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f41a9752dee0ccadbad73278c442151701b9d5f14e2d5a2b4b86e487880d8e2

Aliases

arxiv: 1908.07356 · arxiv_version: 1908.07356v1 · doi: 10.48550/arxiv.1908.07356 · pith_short_12: D5A2S5JN5YGM · pith_short_16: D5A2S5JN5YGMVW5N · pith_short_8: D5A2S5JN

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/D5A2S5JN5YGMVW5NOMTYYRBBKF \
  | 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: 1f41a9752dee0ccadbad73278c442151701b9d5f14e2d5a2b4b86e487880d8e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad22fe793dceca27a2b6e307a0b7d1e74e0474595427bd4aa94911e45b32a640",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-08-19T13:12:39Z",
    "title_canon_sha256": "b388e8351bca30af70a1477c1cd2312b1a2940b92e71c259af7a15ff4fe1ad25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07356",
    "kind": "arxiv",
    "version": 1
  }
}