Pith Number

pith:2X6QT5PS

pith:2015:2X6QT5PSL554FS3XFOTPMJF2C7

not attested not anchored not stored refs pending

What is the Shell Around R Coronae Borealis?

Dominic C. Marcello, Edward J. Montiel, Felix J. Lockman, Geoffrey C. Clayton

arxiv:1505.04173 v1 · 2015-05-15 · 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{2X6QT5PSL554FS3XFOTPMJF2C7}

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	2026-05-18T02:09:39.851852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5fd09f5f25f7bc2cb772ba6f624ba17cc21ee4610866bfa789f5b273aa89882

Aliases

arxiv: 1505.04173 · arxiv_version: 1505.04173v1 · doi: 10.48550/arxiv.1505.04173 · pith_short_12: 2X6QT5PSL554 · pith_short_16: 2X6QT5PSL554FS3X · pith_short_8: 2X6QT5PS

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/2X6QT5PSL554FS3XFOTPMJF2C7 \
  | 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: d5fd09f5f25f7bc2cb772ba6f624ba17cc21ee4610866bfa789f5b273aa89882

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56a0214886c71202087baa9c734382c9df3b541375fe5744570709c7ef3b1679",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-05-15T19:28:29Z",
    "title_canon_sha256": "55b245d4f0f57ea5447235af22b20877b316021e960aec085c49450429ccd8ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04173",
    "kind": "arxiv",
    "version": 1
  }
}