Pith Number

pith:MBQR54NM

pith:2018:MBQR54NM27OZL52S2YXGA7K3UE

not attested not anchored not stored refs pending

Cyclic variations with twice the accretion disk precession period in the old nova V603 Aquilae

Albert Bruch, Lewis M. Cook

arxiv:1802.08056 v1 · 2018-02-22 · 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{MBQR54NM27OZL52S2YXGA7K3UE}

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	2026-05-18T00:22:45.680110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60611ef1acd7dd95f752d62e607d5ba107b168ad8a945aa8384074dac113afae

Aliases

arxiv: 1802.08056 · arxiv_version: 1802.08056v1 · doi: 10.48550/arxiv.1802.08056 · pith_short_12: MBQR54NM27OZ · pith_short_16: MBQR54NM27OZL52S · pith_short_8: MBQR54NM

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/MBQR54NM27OZL52S2YXGA7K3UE \
  | 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: 60611ef1acd7dd95f752d62e607d5ba107b168ad8a945aa8384074dac113afae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "183440601d012940f15d5f2515ce126fc021abdf3373d1705dfb5938601fe60c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-22T14:26:16Z",
    "title_canon_sha256": "f5e3de289e6768776a2715504a1a45526132cb1915ed7d4c6a3e1576de11a603"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08056",
    "kind": "arxiv",
    "version": 1
  }
}