Pith Number

pith:TKIWBSO2

pith:2018:TKIWBSO2WTTY6ZHE4YWXJBNPVT

not attested not anchored not stored refs pending

Radiation Pressure Limits on the Star Formation Efficiency and Surface Density of Compact Stellar Systems

Dougal Mackey, Holger Baumgardt, Mark R. Krumholz, Roland M. Crocker, Todd A. Thompson

arxiv:1808.01726 v2 · 2018-08-06 · 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{TKIWBSO2WTTY6ZHE4YWXJBNPVT}

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	2026-05-18T00:03:04.134591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a9160c9dab4e78f64e4e62d7485afacd3cee4985033f1f741bebe6b6b1b4e0c

Aliases

arxiv: 1808.01726 · arxiv_version: 1808.01726v2 · doi: 10.48550/arxiv.1808.01726 · pith_short_12: TKIWBSO2WTTY · pith_short_16: TKIWBSO2WTTY6ZHE · pith_short_8: TKIWBSO2

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/TKIWBSO2WTTY6ZHE4YWXJBNPVT \
  | 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: 9a9160c9dab4e78f64e4e62d7485afacd3cee4985033f1f741bebe6b6b1b4e0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9afcb7c5a807148c97429511568fcd214a08c8e1a4ebe28839a4d7960e93a1f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-06T04:00:03Z",
    "title_canon_sha256": "0bff9ab896ac4a34979bc49fd302c8fcb8cbfcc3afd2f32845143dae2ffabffd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01726",
    "kind": "arxiv",
    "version": 2
  }
}