Pith Number

pith:YHEX2EJE

pith:2018:YHEX2EJEANHW47U4H4UO452GQL

not attested not anchored not stored refs pending

A Spectroscopic Survey of the Youngest Field Stars in the Solar Neighborhood. II. The optically faint sample

A. Frasca, A. Klutsch, D. Gandolfi, D. Montes, E. Marilli, K. Biazzo, P. Guillout, R. Freire Ferrero

arxiv:1801.00671 v1 · 2018-01-02 · 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{YHEX2EJEANHW47U4H4UO452GQL}

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	2026-05-18T00:16:27.425817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1c97d1124034f6e7e9c3f28ee774682d8aeccb758d955a9e4378b0f777ddc35

Aliases

arxiv: 1801.00671 · arxiv_version: 1801.00671v1 · doi: 10.48550/arxiv.1801.00671 · pith_short_12: YHEX2EJEANHW · pith_short_16: YHEX2EJEANHW47U4 · pith_short_8: YHEX2EJE

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/YHEX2EJEANHW47U4H4UO452GQL \
  | 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: c1c97d1124034f6e7e9c3f28ee774682d8aeccb758d955a9e4378b0f777ddc35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "629a9bbc470deef2b37ed29f3ba2b0fa4a7f1700f633c21ee77331f9835ce33b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-02T14:44:13Z",
    "title_canon_sha256": "537f31958a497be53f1e6fc506d7a75914819cd4bad36c86cb17e2791c389241"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00671",
    "kind": "arxiv",
    "version": 1
  }
}