Pith Number

pith:E2VXIM3Z

pith:2015:E2VXIM3ZMG5SW6FEAEK3U52E4L

not attested not anchored not stored refs pending

500 days of Stromgren b, y and narrow-band [OIII], Ha photometric evolution of gamma-ray Nova Del 2013 (= V339 Del)

A. Maitan, S. Moretti, S. Tomaselli, U. Munari

arxiv:1504.05483 v1 · 2015-04-21 · 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{E2VXIM3ZMG5SW6FEAEK3U52E4L}

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	2026-05-18T02:04:05.463954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26ab74337961bb2b78a40115ba7744e2d2ac5fa280b731685565db5be2eae4bc

Aliases

arxiv: 1504.05483 · arxiv_version: 1504.05483v1 · doi: 10.48550/arxiv.1504.05483 · pith_short_12: E2VXIM3ZMG5S · pith_short_16: E2VXIM3ZMG5SW6FE · pith_short_8: E2VXIM3Z

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/E2VXIM3ZMG5SW6FEAEK3U52E4L \
  | 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: 26ab74337961bb2b78a40115ba7744e2d2ac5fa280b731685565db5be2eae4bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cd75aaa677ba6c36a02df36ac0f7c1ff0e351ba5cf782bb79a18a9893456fb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-21T15:57:45Z",
    "title_canon_sha256": "4b0d03d8c58f26eea365bcd1e7951d8fc1301ef6945d21c412f7b1b8120ef0b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05483",
    "kind": "arxiv",
    "version": 1
  }
}