Pith Number

pith:SGYFGEP3

pith:2018:SGYFGEP3DWTKX4TMIQPCRA45T5

not attested not anchored not stored refs pending

Radial velocity and chemical composition of evolved stars in the open clusters NGC 6940 and Tombaugh 5

2), (2) Special Astrophysical Observatory, (3) INAF OAPD), Eugene A. Semenko (2) ((1) Universit\`a degli studi di Padova, Giovanni Carraro (1, Martina Baratella (1), Russian Academy of Sciences, Valentina D'Orazi (3)

arxiv:1809.08831 v1 · 2018-09-24 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SGYFGEP3DWTKX4TMIQPCRA45T5}

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	2026-05-18T00:00:49.820476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91b05311fb1da6abf26c441e28839d9f5962f8b104eff1d5720127356fbaee51

Aliases

arxiv: 1809.08831 · arxiv_version: 1809.08831v1 · doi: 10.48550/arxiv.1809.08831 · pith_short_12: SGYFGEP3DWTK · pith_short_16: SGYFGEP3DWTKX4TM · pith_short_8: SGYFGEP3

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/SGYFGEP3DWTKX4TMIQPCRA45T5 \
  | 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: 91b05311fb1da6abf26c441e28839d9f5962f8b104eff1d5720127356fbaee51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1d71d7dfb1fbffe22290467361d03dbf5ae94cd3814360895000467b58c5dd6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-24T10:37:22Z",
    "title_canon_sha256": "23d5b7f755d9efa5ca40423a007a38e1a88f0b1dbe5941d0325372232c864429"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08831",
    "kind": "arxiv",
    "version": 1
  }
}