Pith Number

pith:5G7XBK2B

pith:2011:5G7XBK2BJX7MGPHSM5EXWERCV5

not attested not anchored not stored refs pending

A very luminous, highly extinguished, very fast nova - V1721 Aquilae

3), (4) American Astronomical Society), D. J. Harman (1), G. J. Schwarz (4) ((1) Astrophysics Research Institute, L. A. Helton (2, Liverpool John Moores University, M. F. Bode (1), M. J. Darnley (1), NASA Ames Research Center (3) Department of Astronomy, R. Hounsell (1), The University of Minnesota, UK. (2) SOFIA Science Center

arxiv:1104.3068 v1 · 2011-04-15 · 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{5G7XBK2BJX7MGPHSM5EXWERCV5}

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	2026-05-18T02:02:28.072119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9bf70ab414dfec33cf267497b1222af6189701d98d6c3b1d3a8482b857f0a94

Aliases

arxiv: 1104.3068 · arxiv_version: 1104.3068v1 · doi: 10.48550/arxiv.1104.3068 · pith_short_12: 5G7XBK2BJX7M · pith_short_16: 5G7XBK2BJX7MGPHS · pith_short_8: 5G7XBK2B

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/5G7XBK2BJX7MGPHSM5EXWERCV5 \
  | 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: e9bf70ab414dfec33cf267497b1222af6189701d98d6c3b1d3a8482b857f0a94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33ed09e77c9fb567e3905ec92c73e7a464cf115b82fef1af5c3d3feea2f129ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-04-15T14:25:17Z",
    "title_canon_sha256": "729c1cecf9edcbbf22f187ac69a4f0f83e197b4a2b86af54388b32d96d7da1ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3068",
    "kind": "arxiv",
    "version": 1
  }
}