Pith Number

pith:Y5DEUNWX

pith:2016:Y5DEUNWXY2WIVDKOPQLNDYQLHM

not attested not anchored not stored refs pending

Photometric and Spectroscopic Study of the Supergiant with an Infrared Excess V1027 Cygni

G.V. Komissarova, M.A. Burlak, N.P. Ikonnikova, O.G. Taranova, V.F. Esipov, V.I. Shenavrin, V.P. Arkhipova

arxiv:1609.09279 v1 · 2016-09-29 · 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{Y5DEUNWXY2WIVDKOPQLNDYQLHM}

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	2026-05-18T00:36:03.818448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7464a36d7c6ac8a8d4e7c16d1e20b3b041e0f17962bc0a2ea426db48b547f9b

Aliases

arxiv: 1609.09279 · arxiv_version: 1609.09279v1 · doi: 10.48550/arxiv.1609.09279 · pith_short_12: Y5DEUNWXY2WI · pith_short_16: Y5DEUNWXY2WIVDKO · pith_short_8: Y5DEUNWX

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/Y5DEUNWXY2WIVDKOPQLNDYQLHM \
  | 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: c7464a36d7c6ac8a8d4e7c16d1e20b3b041e0f17962bc0a2ea426db48b547f9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46a88af6abc4f91ab52a372565e6cc50a33dde901ed0167fbd9c18bc6e9719f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-29T09:56:33Z",
    "title_canon_sha256": "cae2f84ecb2eba91bb85975ac4eb36a08d8e2e8a5710a7c479c826d606531fff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09279",
    "kind": "arxiv",
    "version": 1
  }
}