Pith Number

pith:DSGPFFS5

pith:2011:DSGPFFS5CQJROMIUE5TYOIMYXH

not attested not anchored not stored refs pending

The Photometric and Spectral Evolution of the 2008 Luminous Optical Transient in NGC 300

Alceste Z. Bonanos, Frederick M. Walter, Howard E. Bond, Jose Prieto, Kris Davidson, L. A. G. Berto Monard, Roberta M. Humphreys

arxiv:1109.5131 v1 · 2011-09-23 · 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{DSGPFFS5CQJROMIUE5TYOIMYXH}

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	2026-05-18T02:00:25.859285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c8cf2965d14131731142767872198b9f4b632f6d02eed5079aec9d0b8b38d26

Aliases

arxiv: 1109.5131 · arxiv_version: 1109.5131v1 · doi: 10.48550/arxiv.1109.5131 · pith_short_12: DSGPFFS5CQJR · pith_short_16: DSGPFFS5CQJROMIU · pith_short_8: DSGPFFS5

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/DSGPFFS5CQJROMIUE5TYOIMYXH \
  | 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: 1c8cf2965d14131731142767872198b9f4b632f6d02eed5079aec9d0b8b38d26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8991328d611d031ccc1d5c482fa562e7e0c0645353541fbd35b26938d496417c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-23T17:02:38Z",
    "title_canon_sha256": "b2d54ae3cc37ddf30d52ee3eeba08addfe92c041a25335c9249f60e31db28313"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5131",
    "kind": "arxiv",
    "version": 1
  }
}