Pith Number

pith:3EEWPRM5

pith:2013:3EEWPRM5PJUXBINZHFFZTCKMP2

not attested not anchored not stored refs pending

Isotope Spectroscopy

2), (2) GEPI, (3) AIP, (4) ESO-Chile, (5) ESO-Germany, (6) KAI Groningen), E. Caffau (1, G. Lo Curto (5), H.-G. Ludwig (1, I. Kamp (6) ((1) LSW-ZAH, L. Monaco (4), M. Steffen (3, P. Bonifacio (2)

arxiv:1310.6058 v1 · 2013-10-22 · 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{3EEWPRM5PJUXBINZHFFZTCKMP2}

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	2026-05-18T01:46:55.893750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d90967c59d7a6970a1b9394b99894c7e88c5e02487a349c22124038b327e405e

Aliases

arxiv: 1310.6058 · arxiv_version: 1310.6058v1 · doi: 10.48550/arxiv.1310.6058 · pith_short_12: 3EEWPRM5PJUX · pith_short_16: 3EEWPRM5PJUXBINZ · pith_short_8: 3EEWPRM5

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/3EEWPRM5PJUXBINZHFFZTCKMP2 \
  | 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: d90967c59d7a6970a1b9394b99894c7e88c5e02487a349c22124038b327e405e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b89866e1fedd1c3d9476b71436cf6a0d90a0ff6091d024fde579c32bfc0e12d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-10-22T21:15:44Z",
    "title_canon_sha256": "f0957ede5e27be66edc8fb4927087042a427a5d6376109b8191110337697d92d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6058",
    "kind": "arxiv",
    "version": 1
  }
}