Pith Number

pith:YUBD3SHN

pith:2008:YUBD3SHNFP75HS3UCMRS5VUBVV

not attested not anchored not stored refs pending

SMBH Spherically Symmetric Accretion Regulated by Violent Star Formation Feedback

F. Hueyotl-Zahuantitla, G. Tenorio-Tagle, S. Silich

arxiv:0807.2662 v1 · 2008-07-16 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YUBD3SHNFP75HS3UCMRS5VUBVV}

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	2026-07-04T15:12:57.575694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5023dc8ed2bffd3cb7413232ed681ad5911a13b0991ef432964619e8f4273c0

Aliases

arxiv: 0807.2662 · arxiv_version: 0807.2662v1 · doi: 10.48550/arxiv.0807.2662 · pith_short_12: YUBD3SHNFP75 · pith_short_16: YUBD3SHNFP75HS3U · pith_short_8: YUBD3SHN

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/YUBD3SHNFP75HS3UCMRS5VUBVV \
  | 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: c5023dc8ed2bffd3cb7413232ed681ad5911a13b0991ef432964619e8f4273c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "862404976070e9701c290845fd567dae046d0205be40b4e9294630c779bf77a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-16T21:15:50Z",
    "title_canon_sha256": "7a1c82a8275ee1672b4466dc2bf4ff1fb4293612cae64d3b1e30176540290467"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.2662",
    "kind": "arxiv",
    "version": 1
  }
}