Pith Number

pith:75CXIO5E

pith:2013:75CXIO5ENQRY7PNE4IOPOPPPGM

not attested not anchored not stored refs pending

Photometric evolution of Nova Del 2013 (V339 Del) during the optically thick phase

A. Henden, G. Cherini, S. Dallaporta, U. Munari

arxiv:1311.2788 v1 · 2013-11-12 · 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{75CXIO5ENQRY7PNE4IOPOPPPGM}

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	2026-05-18T03:07:21.880195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff45743ba46c238fbda4e21cf73def33274302e26cf3f608a62bfb63d91125a7

Aliases

arxiv: 1311.2788 · arxiv_version: 1311.2788v1 · doi: 10.48550/arxiv.1311.2788 · pith_short_12: 75CXIO5ENQRY · pith_short_16: 75CXIO5ENQRY7PNE · pith_short_8: 75CXIO5E

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/75CXIO5ENQRY7PNE4IOPOPPPGM \
  | 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: ff45743ba46c238fbda4e21cf73def33274302e26cf3f608a62bfb63d91125a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d27634ceb4d2ac220760cb7ca180829bdd156f0721bf34ac01828f665f316ea6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-11-12T14:23:20Z",
    "title_canon_sha256": "955f5097e088221569eddf478fcd601f2b42201221f8edaab74f96fb6b3ebd4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2788",
    "kind": "arxiv",
    "version": 1
  }
}