Pith Number

pith:HQMS52OL

pith:2018:HQMS52OL6SM7I2FWLR6IAPJBBH

not attested not anchored not stored refs pending

Dense Regions in Supersonic Isothermal Turbulence

(2) Caltech), Brant Robertson (1), Peter Goldreich (2) ((1) UC Santa Cruz

arxiv:1801.05440 v1 · 2018-01-16 · 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{HQMS52OL6SM7I2FWLR6IAPJBBH}

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	2026-05-18T00:22:23.121091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c192ee9cbf499f468b65c7c803d2109cc7dcdd8687d7d247de7944087fec3e3

Aliases

arxiv: 1801.05440 · arxiv_version: 1801.05440v1 · doi: 10.48550/arxiv.1801.05440 · pith_short_12: HQMS52OL6SM7 · pith_short_16: HQMS52OL6SM7I2FW · pith_short_8: HQMS52OL

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/HQMS52OL6SM7I2FWLR6IAPJBBH \
  | 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: 3c192ee9cbf499f468b65c7c803d2109cc7dcdd8687d7d247de7944087fec3e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d38dc50dc0187d628f77f12cf204563924a99b36058d7725e781406b4ede4ad3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-16T19:00:08Z",
    "title_canon_sha256": "0a03fd5a60571c615a7afd8a5f34bf0d95f6207cf6e48ef5f67822d8ec2acba6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05440",
    "kind": "arxiv",
    "version": 1
  }
}