Pith Number

pith:HEKCINJ2

pith:2015:HEKCINJ2R5LHYD4HDOMQRZZVSJ

not attested not anchored not stored refs pending

Discovery of a new bona fide luminous blue variable in Norma

A.Y. Kniazev, L.N. Berdnikov, V.V. Gvaramadze

arxiv:1509.08931 v2 · 2015-09-29 · 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{HEKCINJ2R5LHYD4HDOMQRZZVSJ}

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	2026-05-18T01:28:45.448282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

391424353a8f567c0f871b9908e7359257568404335d34d27ec8a801c122b554

Aliases

arxiv: 1509.08931 · arxiv_version: 1509.08931v2 · doi: 10.48550/arxiv.1509.08931 · pith_short_12: HEKCINJ2R5LH · pith_short_16: HEKCINJ2R5LHYD4H · pith_short_8: HEKCINJ2

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/HEKCINJ2R5LHYD4HDOMQRZZVSJ \
  | 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: 391424353a8f567c0f871b9908e7359257568404335d34d27ec8a801c122b554

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e46029d21c38eef3eb7df5f7b808af29f1b740c3df9620c9ad9d5011a70c6986",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-29T20:14:27Z",
    "title_canon_sha256": "2dc01eba73799b4bad1ca357d8fd884da753dfe988d5798a5e2eaccfffd7da2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08931",
    "kind": "arxiv",
    "version": 2
  }
}