Pith Number

pith:BSIQQRZH

pith:2011:BSIQQRZH4P5R3GPRIFYNHUKLWE

not attested not anchored not stored refs pending

A multiwavelength study of the IRAS Deep Survey galaxy sample III. Spectral classification and dynamical properties

2) ((1) INAF - Osservatorio Astronomico di Padova, (2) INAF - Osservatorio Astronomico di Bologna), A. della Valle (1, D. Bettoni (1), P. Mazzei (1)

arxiv:1111.6728 v1 · 2011-11-29 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BSIQQRZH4P5R3GPRIFYNHUKLWE}

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	2026-05-18T01:59:22.248662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c91084727e3fb1d99f14170d3d14bb11140d207222f5b8e9d0bab895dc5d508

Aliases

arxiv: 1111.6728 · arxiv_version: 1111.6728v1 · doi: 10.48550/arxiv.1111.6728 · pith_short_12: BSIQQRZH4P5R · pith_short_16: BSIQQRZH4P5R3GPR · pith_short_8: BSIQQRZH

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/BSIQQRZH4P5R3GPRIFYNHUKLWE \
  | 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: 0c91084727e3fb1d99f14170d3d14bb11140d207222f5b8e9d0bab895dc5d508

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "678329f8f737779bce2aac8d8a16d91a199fd9c9a10ebd4ae6989720a294bdd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-29T08:42:03Z",
    "title_canon_sha256": "51f301bc3b4f1787d852ceae2d38e055faaaf4879795bc699d69d7446d5082ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6728",
    "kind": "arxiv",
    "version": 1
  }
}