Pith Number

pith:I4YCJB5D

pith:2018:I4YCJB5DT2OGVORIB3IZFPRJAU

not attested not anchored not stored refs pending

Evolution of V339 Del (Nova Del 2013) since 0.37 to 75 Days after Discovery

A. Jaiboe, D. Suekong, F. Surina, M. F. Bode, M. J. Darnley, S. Aintawiphak, S. Khamrat, Y. Mueangkon

arxiv:1812.10871 v1 · 2018-12-28 · astro-ph.SR · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I4YCJB5DT2OGVORIB3IZFPRJAU}

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	2026-05-17T23:57:16.865578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47302487a39e9c6aba280ed192be29050bdcc1c28bad396fd61eab2539786949

Aliases

arxiv: 1812.10871 · arxiv_version: 1812.10871v1 · doi: 10.48550/arxiv.1812.10871 · pith_short_12: I4YCJB5DT2OG · pith_short_16: I4YCJB5DT2OGVORI · pith_short_8: I4YCJB5D

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/I4YCJB5DT2OGVORIB3IZFPRJAU \
  | 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: 47302487a39e9c6aba280ed192be29050bdcc1c28bad396fd61eab2539786949

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac29b4a53d28e46eb53dde58201f8d4e071135d645e1d51806a6255cf5aaaa28",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-12-28T02:43:42Z",
    "title_canon_sha256": "306916f0896f1df5942bd5aa7ff381787e34b813110f86b33fdd16f699425a4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10871",
    "kind": "arxiv",
    "version": 1
  }
}