Pith Number

pith:3CHTY7NC

pith:2019:3CHTY7NC4EXHNMAUJ6AE6H2IFN

not attested not anchored not stored refs pending

The metallicity sensitivity of a surface brightness temperature scale

Jeremy Mould

arxiv:1906.04320 v2 · 2019-06-10 · astro-ph.SR · 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{3CHTY7NC4EXHNMAUJ6AE6H2IFN}

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	2026-05-17T23:39:43.162853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d88f3c7da2e12e76b0144f804f1f482b7c0aff5337001fb4b9efded973862fe1

Aliases

arxiv: 1906.04320 · arxiv_version: 1906.04320v2 · doi: 10.48550/arxiv.1906.04320 · pith_short_12: 3CHTY7NC4EXH · pith_short_16: 3CHTY7NC4EXHNMAU · pith_short_8: 3CHTY7NC

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/3CHTY7NC4EXHNMAUJ6AE6H2IFN \
  | 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: d88f3c7da2e12e76b0144f804f1f482b7c0aff5337001fb4b9efded973862fe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "242832adcfb2d25b1bd8f2d699a422a19af5463adb4911bb3ba4489ab02257de",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-06-10T23:21:20Z",
    "title_canon_sha256": "727378642d58bc87a9bf6fe44bd90fe1514ec8617c68864b8f25bfd38cf59a76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04320",
    "kind": "arxiv",
    "version": 2
  }
}