Pith Number

pith:E5JLFFGQ

pith:2015:E5JLFFGQSVGPW5Q3TKD5WUPA6U

not attested not anchored not stored refs pending

Surface abundances of ON stars

(2) IAC, 3), (3) La Laguna University, (4) University College London, (5) Keele University, (6) Space Telescope Science Institute, (7) LAM, (8) La Serena University), A. Palacios (1), C. Georgy (5), CNRS & Aix-Marseille University, CNRS & Montpellier University, F. Martins (1), I. Howarth (4), J.-C. Bouret (7), N.R. Walborn (6), R. Barba (8) ((1) LUPM, S. Simon-Diaz (2

arxiv:1504.06194 v1 · 2015-04-23 · 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{E5JLFFGQSVGPW5Q3TKD5WUPA6U}

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	2026-05-18T02:18:02.295812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2752b294d0954cfb761b9a87db51e0f5030e5ad980d8fbb84ce48944fe544ba9

Aliases

arxiv: 1504.06194 · arxiv_version: 1504.06194v1 · doi: 10.48550/arxiv.1504.06194 · pith_short_12: E5JLFFGQSVGP · pith_short_16: E5JLFFGQSVGPW5Q3 · pith_short_8: E5JLFFGQ

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/E5JLFFGQSVGPW5Q3TKD5WUPA6U \
  | 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: 2752b294d0954cfb761b9a87db51e0f5030e5ad980d8fbb84ce48944fe544ba9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3c66c0ba7967b2d8a9b1897d423aba2f92d8ef2872ee0abd1b436308699f182",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-23T14:18:58Z",
    "title_canon_sha256": "693ff89f3931b2dcbac5aa0d9f2a85ef09359e2c55b15edbc1f7657515742476"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06194",
    "kind": "arxiv",
    "version": 1
  }
}