Pith Number

pith:GHJ47KXE

pith:2019:GHJ47KXEZZNYFBQWVAGTOIWNIN

not attested not anchored not stored refs pending

Star Formation Efficiency in Low Surface Brightness Regions

Francoise Combes

arxiv:1906.02708 v1 · 2019-06-06 · 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{GHJ47KXEZZNYFBQWVAGTOIWNIN}

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	2026-05-17T23:44:00.401937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31d3cfaae4ce5b828616a80d3722cd4354381e277e90288377ccc67fc5238555

Aliases

arxiv: 1906.02708 · arxiv_version: 1906.02708v1 · doi: 10.48550/arxiv.1906.02708 · pith_short_12: GHJ47KXEZZNY · pith_short_16: GHJ47KXEZZNYFBQW · pith_short_8: GHJ47KXE

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/GHJ47KXEZZNYFBQWVAGTOIWNIN \
  | 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: 31d3cfaae4ce5b828616a80d3722cd4354381e277e90288377ccc67fc5238555

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5954c16d071b79117354cf0bd626306444550d494960dc27e3722a28b1ac1045",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-06-06T17:18:53Z",
    "title_canon_sha256": "ccbb734fe1dbd7c88f34c46497955be50248a704247702327c94e172164310b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02708",
    "kind": "arxiv",
    "version": 1
  }
}