Pith Number

pith:FYVVL54F

pith:2020:FYVVL54F7TO4FGZECTLS2XSBPS

not attested not anchored not stored refs pending

OH level populations and accuracies of Einstein-A coefficients from hundreds of measured lines

Bastian Proxauf, Holger Winkler, Oleg Goussev, Stefan Noll

arxiv:2005.06603 v2 · 2020-05-01 · physics.ao-ph · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FYVVL54F7TO4FGZECTLS2XSBPS}

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	2026-07-05T01:03:00.078958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e2b55f785fcddc29b2414d72d5e417cb0907c9a03d384e768400d963f12444d

Aliases

arxiv: 2005.06603 · arxiv_version: 2005.06603v2 · doi: 10.48550/arxiv.2005.06603 · pith_short_12: FYVVL54F7TO4 · pith_short_16: FYVVL54F7TO4FGZE · pith_short_8: FYVVL54F

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/FYVVL54F7TO4FGZECTLS2XSBPS \
  | 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: 2e2b55f785fcddc29b2414d72d5e417cb0907c9a03d384e768400d963f12444d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f0b905cbcf8d1a14c1bff31ddc79999627cfe703be1aef6941756f648b96e3a",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2020-05-01T19:44:47Z",
    "title_canon_sha256": "4f69853f473d6c38906a5a2ea10a46001c6a8c5c02c656243d9d0ebc2669b7e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.06603",
    "kind": "arxiv",
    "version": 2
  }
}