Pith Number

pith:VHXQZMU5

pith:2018:VHXQZMU5PZEC4334U3X2B7THPI

not attested not anchored not stored refs pending

Multicolor photometry and spectroscopy of the yellow supergiant with dust envelope HD 179821=V1427 Aquilae

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

arxiv:1804.07120 v1 · 2018-04-19 · 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{VHXQZMU5PZEC4334U3X2B7THPI}

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	2026-05-18T00:09:14.606936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9ef0cb29d7e482e6f7ca6efa0fe677a2d2781daab1328b9dd144ac8a1bde894

Aliases

arxiv: 1804.07120 · arxiv_version: 1804.07120v1 · doi: 10.48550/arxiv.1804.07120 · pith_short_12: VHXQZMU5PZEC · pith_short_16: VHXQZMU5PZEC4334 · pith_short_8: VHXQZMU5

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/VHXQZMU5PZEC4334U3X2B7THPI \
  | 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: a9ef0cb29d7e482e6f7ca6efa0fe677a2d2781daab1328b9dd144ac8a1bde894

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23fb1bc23b4ff34372d30517f24acf5c076ccfbb3c4a958bb5ed51051ad2aa43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-19T12:46:37Z",
    "title_canon_sha256": "da4ae9960cd713fc56119ede58beca25d9a304bf72cce86af4c5175a09cba7c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07120",
    "kind": "arxiv",
    "version": 1
  }
}