Pith Number

pith:E7LKWDDR

pith:2021:E7LKWDDRZ6MBA6DD266S5YCNZ2

not attested not anchored not stored refs pending

Homogeneous study of Herbig Ae/Be stars from spectral energy distributions and Gaia EDR3

B. Montesinos, C. Rodrigo, E. Solano, G.Meeus, I. Mendigutia, J. Guzman-Diaz, M. Vioque, P. Marcos-Arenal, R.D. Oudmaijer

arxiv:2104.11759 v1 · 2021-04-23 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E7LKWDDRZ6MBA6DD266S5YCNZ2}

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	2026-07-05T02:55:14.226094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27d6ab0c71cf98107863d7bd2ee04dce8a181e225717482d669ca5baa868398a

Aliases

arxiv: 2104.11759 · arxiv_version: 2104.11759v1 · doi: 10.48550/arxiv.2104.11759 · pith_short_12: E7LKWDDRZ6MB · pith_short_16: E7LKWDDRZ6MBA6DD · pith_short_8: E7LKWDDR

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/E7LKWDDRZ6MBA6DD266S5YCNZ2 \
  | 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: 27d6ab0c71cf98107863d7bd2ee04dce8a181e225717482d669ca5baa868398a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a01f15f70677e5dd8a7a0a6f8e395cef1fbf477d9d8db8dda216b1a3e6e9aac7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-04-23T18:01:38Z",
    "title_canon_sha256": "a9d8b5fa1bc186738a83e7dbf5c1d7fbf8b85f373b981afc12fe613932fb9cb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.11759",
    "kind": "arxiv",
    "version": 1
  }
}