Pith Number

pith:VVQPIPGY

pith:2020:VVQPIPGYWNHMUJZL6MRUO5PPGR

not attested not anchored not stored refs pending

Discovery of a Low-Redshift Damped Ly$\alpha$ System in a Foreground Extended Disk Using a Starburst Galaxy Background Illuminator

Christopher M. Dupuis, Mansi Padave, Rachael M. Alexandroff, Rolf A. Jansen, Sanchayeeta Borthakur, Timothy M. Heckman

arxiv:2011.09565 v1 · 2020-11-18 · 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{VVQPIPGYWNHMUJZL6MRUO5PPGR}

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	2026-07-05T02:12:44.031992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad60f43cd8b34eca272bf3234775ef346983fa8f74020057a5d0109f32301059

Aliases

arxiv: 2011.09565 · arxiv_version: 2011.09565v1 · doi: 10.48550/arxiv.2011.09565 · pith_short_12: VVQPIPGYWNHM · pith_short_16: VVQPIPGYWNHMUJZL · pith_short_8: VVQPIPGY

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/VVQPIPGYWNHMUJZL6MRUO5PPGR \
  | 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: ad60f43cd8b34eca272bf3234775ef346983fa8f74020057a5d0109f32301059

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf8061025618b5366b95b983ef66de253bc0f9b177fe3907ecb0acc903107a1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-11-18T22:28:48Z",
    "title_canon_sha256": "7ef1a39665e66d099ba76fe32f22c4c892dd53958aedd37dde717b526fce67bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.09565",
    "kind": "arxiv",
    "version": 1
  }
}