Pith Number

pith:BCGV6WZ7

pith:2018:BCGV6WZ7O6A4GELNHQFFLKXBJS

not attested not anchored not stored refs pending

The Evolving Radio Photospheres of Long-Period Variable Stars

K. Akiyama, K. M. Menten, L. D. Matthews, M. J. Reid

arxiv:1805.05428 v1 · 2018-05-14 · 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{BCGV6WZ7O6A4GELNHQFFLKXBJS}

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	2026-05-18T00:11:49.093888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

088d5f5b3f7781c3116d3c0a55aae14ca234fa872b3aaf587552a2be93a857eb

Aliases

arxiv: 1805.05428 · arxiv_version: 1805.05428v1 · doi: 10.48550/arxiv.1805.05428 · pith_short_12: BCGV6WZ7O6A4 · pith_short_16: BCGV6WZ7O6A4GELN · pith_short_8: BCGV6WZ7

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/BCGV6WZ7O6A4GELNHQFFLKXBJS \
  | 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: 088d5f5b3f7781c3116d3c0a55aae14ca234fa872b3aaf587552a2be93a857eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12bf14e35c226d24a605346c22516141fa3078d6e6b98e6505dbae99f25d4f29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-14T20:26:39Z",
    "title_canon_sha256": "7a508d6dc9fccc4df6a727df3469f40a67e191464a926c5857453093a96b38ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05428",
    "kind": "arxiv",
    "version": 1
  }
}