Pith Number

pith:FCKRVFMD

pith:2004:FCKRVFMDMBJR23SNMQJ4SJ4Q5K

not attested not anchored not stored refs pending

The Hamburg/ESO R-process Enhanced Star survey (HERES). I. Project description, and discovery of two stars with strong enhancements of neutron-capture elements

A.J. Korn, B. Marsteller, B. Nordstr\"om, B. Pfeiffer, F.-J. Zickgraf, G.J. Wasserburg, J. Holmberg, J. Rhee, K.-L. Kratz, L. Mashonkina, M. Bessell, N. Christlieb, P. S. Barklem, S.G. Ryan, S. Rossi, T. C. Beers, V. Hill, Y.-Z. Qian

arxiv:astro-ph/0408389 v1 · 2004-08-21 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCKRVFMDMBJR23SNMQJ4SJ4Q5K}

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	2026-05-18T01:09:03.230843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28951a958360531d6e4d6413c92790eaae87ad24f38bb6b83e880b6ff4dd990e

Aliases

arxiv: astro-ph/0408389 · arxiv_version: astro-ph/0408389v1 · doi: 10.48550/arxiv.astro-ph/0408389 · pith_short_12: FCKRVFMDMBJR · pith_short_16: FCKRVFMDMBJR23SN · pith_short_8: FCKRVFMD

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/FCKRVFMDMBJR23SNMQJ4SJ4Q5K \
  | 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: 28951a958360531d6e4d6413c92790eaae87ad24f38bb6b83e880b6ff4dd990e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30e1fa2bfe5bf5cbaf8b9b7aef7bcbcd6be3fba0e87ec092ebeaf8f2c874404e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-08-21T04:51:19Z",
    "title_canon_sha256": "30c6169fdd173f1c172752190bd34d23e2143731fdfa77315a78ebc5d8ad5fd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0408389",
    "kind": "arxiv",
    "version": 1
  }
}