Pith Number

pith:VLHBM4BP

pith:2011:VLHBM4BP5GQ3OZTKAH6YSBKV4Y

not attested not anchored not stored refs pending

The 2001-2003 Low State of Nova Lacertae 1950 (DK Lac)

A.A. Henden, D. Hoffman, H. Jacobson, J.W. Robertson, K. Croxall, R.K. Honeycutt, S. Kafka, T. Maxwell

arxiv:1102.3759 v1 · 2011-02-18 · 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{VLHBM4BP5GQ3OZTKAH6YSBKV4Y}

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	2026-05-18T02:03:09.557173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aace16702fe9a1b7666a01fd890555e63f7066391941dfa08e5e2a24fa50c0b7

Aliases

arxiv: 1102.3759 · arxiv_version: 1102.3759v1 · doi: 10.48550/arxiv.1102.3759 · pith_short_12: VLHBM4BP5GQ3 · pith_short_16: VLHBM4BP5GQ3OZTK · pith_short_8: VLHBM4BP

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/VLHBM4BP5GQ3OZTKAH6YSBKV4Y \
  | 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: aace16702fe9a1b7666a01fd890555e63f7066391941dfa08e5e2a24fa50c0b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6dd56523fe33ece0c550f0a5e01f21d0e1f6185f7e01de38e724d8453363f16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-18T06:02:08Z",
    "title_canon_sha256": "4c3a94a21d817054f43e047c5e0091a5aea2ae3822a9eb3bae7f73902c39c218"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3759",
    "kind": "arxiv",
    "version": 1
  }
}