Pith Number

pith:HV5SH4TZ

pith:2019:HV5SH4TZHGZJAR75TOTJDAO6VB

not attested not anchored not stored refs pending

A new study of the variable star population in the Hercules globular cluster (M13; NGC 6205)

A. Arellano Ferro, C. L\'azaro, D. Deras, I.H. Bustos Fierro, J. H. Calder\'on, S. Muneer, Sunetra Giridhar

arxiv:1903.01572 v1 · 2019-03-04 · 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{HV5SH4TZHGZJAR75TOTJDAO6VB}

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	2026-05-17T23:51:29.663991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d7b23f27939b29047fd9ba69181dea85797dc70ea44ab057aed9841305b59ed

Aliases

arxiv: 1903.01572 · arxiv_version: 1903.01572v1 · doi: 10.48550/arxiv.1903.01572 · pith_short_12: HV5SH4TZHGZJ · pith_short_16: HV5SH4TZHGZJAR75 · pith_short_8: HV5SH4TZ

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/HV5SH4TZHGZJAR75TOTJDAO6VB \
  | 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: 3d7b23f27939b29047fd9ba69181dea85797dc70ea44ab057aed9841305b59ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28455d2ab4f3e3a9ea58caa49fa3f316d786f715f49506cbea910599bbd2fe38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-03-04T22:32:23Z",
    "title_canon_sha256": "79b3d3d5c4a14034eea74460baa4884c3ddb70d3fd82ec35f5f773623a7fce2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01572",
    "kind": "arxiv",
    "version": 1
  }
}