Pith Number

pith:4BEL5ADA

pith:2016:4BEL5ADA2WWOV3XOXJ4NM2SEGG

not attested not anchored not stored refs pending

Pulsating hot O subdwarfs in Omega Cen: mapping a unique instability strip on the Extreme Horizontal Branch

A. Calamida, G. Bono, G. Fontaine, M. Catelan, M. L. Alonso, M. Monelli, P. Brassard, P. Chayer, S.K. Randall, S. Littlefair, T. R. Marsh, V. S. Dhillon, V. Van Grootel

arxiv:1602.05470 v1 · 2016-02-17 · 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{4BEL5ADA2WWOV3XOXJ4NM2SEGG}

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	2026-05-18T01:17:41.334939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e048be8060d5aceaeeeeba78d66a44318616d167247392c4f4792ee2a2a63cf8

Aliases

arxiv: 1602.05470 · arxiv_version: 1602.05470v1 · doi: 10.48550/arxiv.1602.05470 · pith_short_12: 4BEL5ADA2WWO · pith_short_16: 4BEL5ADA2WWOV3XO · pith_short_8: 4BEL5ADA

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/4BEL5ADA2WWOV3XOXJ4NM2SEGG \
  | 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: e048be8060d5aceaeeeeba78d66a44318616d167247392c4f4792ee2a2a63cf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61416b8d1459c8c8961ad93e4dc720ae90a0f3eba9a9820b07132e75a027d150",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-02-17T16:23:46Z",
    "title_canon_sha256": "b01502ec9df690959f063bd4829f239a9a6e2c9dc020ca8973c4c41489e63194"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05470",
    "kind": "arxiv",
    "version": 1
  }
}