Pith Number

pith:SSLWHDHI

pith:2010:SSLWHDHIWGK4JQFF7VEBPFLFFX

not attested not anchored not stored refs pending

The DiskMass Survey. I. Overview

(2) University of Groningen, (3) University of Maryland, (4) NRC Herzberg Institute of Astrophysics, 5), (5) National Science Foundation International Research Fellow), David R. Andersen (4), Kyle B. Westfall (2, Marc A. W. Verheijen (2), Matthew A. Bershady (1), Rob A. Swaters (3), Thomas Martinsson (2) ((1) University of Wisconsin

arxiv:1004.4816 v1 · 2010-04-27 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSLWHDHIWGK4JQFF7VEBPFLFFX}

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	2026-05-18T02:07:53.231033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9497638ce8b195c4c0a5fd481795652dd29c2db2b6bf7b7dc29d9f012806bfc0

Aliases

arxiv: 1004.4816 · arxiv_version: 1004.4816v1 · doi: 10.48550/arxiv.1004.4816 · pith_short_12: SSLWHDHIWGK4 · pith_short_16: SSLWHDHIWGK4JQFF · pith_short_8: SSLWHDHI

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/SSLWHDHIWGK4JQFF7VEBPFLFFX \
  | 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: 9497638ce8b195c4c0a5fd481795652dd29c2db2b6bf7b7dc29d9f012806bfc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92b50814a53079c72bcd23be785ef1228e436ab41b9a6e669fab4729ed0e1c9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-27T14:32:21Z",
    "title_canon_sha256": "a7a003b8b8fe26422381187691da3d9e9e5c1bd28cc7291a54d3fd3fdf6ddc2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.4816",
    "kind": "arxiv",
    "version": 1
  }
}