Pith Number

pith:ICGMMSEB

pith:2015:ICGMMSEBPGPKDQNF5MYSNEDOVZ

not attested not anchored not stored refs pending

PSN J07285387+3349106 in NGC 2388: an extremely rapidly declining luminous supernova

D. Yu. Tsvetkov, I. M. Volkov, N. N. Pavlyuk

arxiv:1504.01864 v2 · 2015-04-08 · 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{ICGMMSEBPGPKDQNF5MYSNEDOVZ}

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	2026-05-18T02:18:03.342220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

408cc64881799ea1c1a5eb3126906eae6e707259119b747bb64a737902d73504

Aliases

arxiv: 1504.01864 · arxiv_version: 1504.01864v2 · doi: 10.48550/arxiv.1504.01864 · pith_short_12: ICGMMSEBPGPK · pith_short_16: ICGMMSEBPGPKDQNF · pith_short_8: ICGMMSEB

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/ICGMMSEBPGPKDQNF5MYSNEDOVZ \
  | 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: 408cc64881799ea1c1a5eb3126906eae6e707259119b747bb64a737902d73504

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7f52fc2d3eb517845e5c9eee8b1ef19b7d033abe63aae86c83f131f68968464",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-08T08:32:48Z",
    "title_canon_sha256": "7eec1361d6b3f33fe9e23e1baaafa06cd95c49f1d039fa2a222c8f777f7bf980"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01864",
    "kind": "arxiv",
    "version": 2
  }
}