Pith Number

pith:V5PDFWJC

pith:2020:V5PDFWJCOFQIOPLIE55IWM2B5P

not attested not anchored not stored refs pending

The Supersonic Project: To cool or not to cool Supersonically Induced Gas Objects (SIGOs)?

Blakesley Burkhart, Federico Marinacci, Mark Vogelsberger, Smadar Naoz, Yeou S. Chiou

arxiv:2008.02808 v2 · 2020-08-06 · 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{V5PDFWJCOFQIOPLIE55IWM2B5P}

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	2026-07-05T02:06:11.736426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af5e32d9227160873d68277a8b3341ebddbdd11d365717d3c8cc55f2a5780293

Aliases

arxiv: 2008.02808 · arxiv_version: 2008.02808v2 · doi: 10.48550/arxiv.2008.02808 · pith_short_12: V5PDFWJCOFQI · pith_short_16: V5PDFWJCOFQIOPLI · pith_short_8: V5PDFWJC

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/V5PDFWJCOFQIOPLIE55IWM2B5P \
  | 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: af5e32d9227160873d68277a8b3341ebddbdd11d365717d3c8cc55f2a5780293

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a25f211397822bc1e547892cf36ae6475d393ace4c877574aa869078896e8b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-08-06T18:00:01Z",
    "title_canon_sha256": "b1156fb648bb0c0fd8c85626dede5388d973beac5ea094eddab4292f74c86f5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.02808",
    "kind": "arxiv",
    "version": 2
  }
}