Pith Number

pith:2NERR6RW

pith:2016:2NERR6RWDGWPTPTNKGP6MHV4VU

not attested not anchored not stored refs pending

An Investigation of Four Chemically Peculiar Stars with Photometric Periods below 12 Hours

Ernst Paunzen, Franz-Josef Hambsch, Jonathan Powles, Klaus Bernhard, Stefan H\"ummerich, Terry Bohlsen

arxiv:1612.04708 v1 · 2016-12-14 · 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{2NERR6RWDGWPTPTNKGP6MHV4VU}

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	2026-05-18T00:52:13.158434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d34918fa3619acf9be6d519fe61ebcad22939714a465ff75b6644344f33e3b1c

Aliases

arxiv: 1612.04708 · arxiv_version: 1612.04708v1 · doi: 10.48550/arxiv.1612.04708 · pith_short_12: 2NERR6RWDGWP · pith_short_16: 2NERR6RWDGWPTPTN · pith_short_8: 2NERR6RW

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/2NERR6RWDGWPTPTNKGP6MHV4VU \
  | 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: d34918fa3619acf9be6d519fe61ebcad22939714a465ff75b6644344f33e3b1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bc22c94ef145cbd3fce4c7d387bf3e99fed685ee38ddb4a970f180ceb844b9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-12-14T16:15:54Z",
    "title_canon_sha256": "0f4f7633f4ab0c384114370dfc5194f27209d8b6de7ba515da2865ede0bf9eed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04708",
    "kind": "arxiv",
    "version": 1
  }
}