Pith Number

pith:4ZCVMXXI

pith:2018:4ZCVMXXIK2JEIVUREOZY2NRS6I

not attested not anchored not stored refs pending

Pre-maximum and maximum of Novae: The spectroscopic observations of Nova ASASSN-17hx

Rosa Poggiani

arxiv:1807.07947 v1 · 2018-07-20 · 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{4ZCVMXXIK2JEIVUREOZY2NRS6I}

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.

Cited by

1 paper in Pith

TESS detection of periodic brightness variations during the rise of classical nova PGIR22akgylf

Receipt and verification

First computed	2026-05-18T00:10:14.877936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e645565ee8569244569123b38d3632f224b88bd3bea38c8a69874be18488bf7c

Aliases

arxiv: 1807.07947 · arxiv_version: 1807.07947v1 · doi: 10.48550/arxiv.1807.07947 · pith_short_12: 4ZCVMXXIK2JE · pith_short_16: 4ZCVMXXIK2JEIVUR · pith_short_8: 4ZCVMXXI

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/4ZCVMXXIK2JEIVUREOZY2NRS6I \
  | 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: e645565ee8569244569123b38d3632f224b88bd3bea38c8a69874be18488bf7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1172ae336a49c710276f775a39e053c3d8896e289df494da0248188a2644db4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-20T17:34:14Z",
    "title_canon_sha256": "1e25d7add1bac404fdaed43367eec6279b12c12a9b3b2c9182dce7ad5f67f74f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07947",
    "kind": "arxiv",
    "version": 1
  }
}