Pith Number

pith:UYBFDRO6

pith:2019:UYBFDRO64FKNFOXHBKKQXONPWZ

not attested not anchored not stored refs pending

The VLT-FLAMES Tarantula Survey. XXX. Red stragglers in the clusters Hodge 301 and SL 639

A. de Koter, A. Herrero, C. J. Evans, D. J. Lennon, F. R. N. Schneider, H. Sana, J. S. Clark, J. Th. van Loon, L. A. Almeida, L. R. Patrick, N. Britavskiy, N. Langer, W. D. Taylor

arxiv:1902.09891 v1 · 2019-02-26 · 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{UYBFDRO64FKNFOXHBKKQXONPWZ}

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	2026-05-17T23:47:16.979691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a60251c5dee154d2bae70a950bb9afb67d8c3b2086b0d875dc8efa8cb1c06480

Aliases

arxiv: 1902.09891 · arxiv_version: 1902.09891v1 · doi: 10.48550/arxiv.1902.09891 · pith_short_12: UYBFDRO64FKN · pith_short_16: UYBFDRO64FKNFOXH · pith_short_8: UYBFDRO6

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/UYBFDRO64FKNFOXHBKKQXONPWZ \
  | 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: a60251c5dee154d2bae70a950bb9afb67d8c3b2086b0d875dc8efa8cb1c06480

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8cfd73f8fb450910adbd612b5c6dc47d8d950a39d9a1bb3e66b640610b2852b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-26T12:35:23Z",
    "title_canon_sha256": "01657f2777e21096b6d71c6871e4a25271ecdb88ac5552da576171eb6a845ecc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09891",
    "kind": "arxiv",
    "version": 1
  }
}