Pith Number

pith:4QZJZBSI

pith:2019:4QZJZBSI56LXL5QXEYHYXB24K4

not attested not anchored not stored refs pending

A UV and optical study of 18 old novae with Gaia DR2 distances: mass accretion rates, physical parameters, and MMRD

Pierluigi Selvelli, Roberto Gilmozzi

arxiv:1903.05868 v1 · 2019-03-14 · 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{4QZJZBSI56LXL5QXEYHYXB24K4}

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	2026-05-17T23:50:54.787682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4329c8648ef9775f617260f8b875c5709ec246d4c368f39c8fab3ba55063712

Aliases

arxiv: 1903.05868 · arxiv_version: 1903.05868v1 · doi: 10.48550/arxiv.1903.05868 · pith_short_12: 4QZJZBSI56LX · pith_short_16: 4QZJZBSI56LXL5QX · pith_short_8: 4QZJZBSI

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/4QZJZBSI56LXL5QXEYHYXB24K4 \
  | 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: e4329c8648ef9775f617260f8b875c5709ec246d4c368f39c8fab3ba55063712

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9977b8185f63e9993a930b69131f663f9ca3a22878184565c16f43d5e8977ee7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-03-14T09:25:45Z",
    "title_canon_sha256": "525496516d75ae49a20d67890d2f67114f65cc5d67ea3a72844d82d1dfab6437"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05868",
    "kind": "arxiv",
    "version": 1
  }
}