Pith Number

pith:ZPDPUEKW

pith:2012:ZPDPUEKWGGLAD4N444SGXLT4FV

not attested not anchored not stored refs pending

Low-Resolution Spectroscopy of the Recurrent Nova T Pyxidis at its Early Stage of 2011 Outburst

Kazuyoshi Imamura, Kenji Tanabe

arxiv:1210.4646 v1 · 2012-10-17 · 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{ZPDPUEKWGGLAD4N444SGXLT4FV}

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	2026-05-18T01:53:53.755781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbc6fa1156319601f1bce7246bae7c2d40f5eddbd05107665aa93fe873773f82

Aliases

arxiv: 1210.4646 · arxiv_version: 1210.4646v1 · doi: 10.48550/arxiv.1210.4646 · pith_short_12: ZPDPUEKWGGLA · pith_short_16: ZPDPUEKWGGLAD4N4 · pith_short_8: ZPDPUEKW

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/ZPDPUEKWGGLAD4N444SGXLT4FV \
  | 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: cbc6fa1156319601f1bce7246bae7c2d40f5eddbd05107665aa93fe873773f82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83887c145a588a17ee903621af472e9ab0b79cdbbc3800de3b5386be9a6eded7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-17T07:00:55Z",
    "title_canon_sha256": "6d96646f7dbdbcf43c33fdf1906c4876459b828847f8dca548f31a102009b6b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4646",
    "kind": "arxiv",
    "version": 1
  }
}