Pith Number

pith:SHF7O26H

pith:2011:SHF7O26HMOKJQPOUYHRIQIGV5V

not attested not anchored not stored refs pending

SPARC4: A Simultaneous Polarimeter and Rapid Camera in 4 Bands

A. Carciofi, A. Kanaan, A. Milone, A. M. Magalhaes, A. Pereyra, C. Strauss, C. V. Rodrigues, D. Cieslinski, F. J. Jablonski, G. Franco, J. E. R. Costa, K. M. G. Silva, K. Taylor, M. Assafin, R. Laporte, T. Dominici

arxiv:1108.3455 v1 · 2011-08-17 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SHF7O26HMOKJQPOUYHRIQIGV5V}

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	2026-05-18T02:00:52.916676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91cbf76bc76394983dd4c1e28820d5ed653592074972a5c132c065e245f9a2d1

Aliases

arxiv: 1108.3455 · arxiv_version: 1108.3455v1 · doi: 10.48550/arxiv.1108.3455 · pith_short_12: SHF7O26HMOKJ · pith_short_16: SHF7O26HMOKJQPOU · pith_short_8: SHF7O26H

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/SHF7O26HMOKJQPOUYHRIQIGV5V \
  | 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: 91cbf76bc76394983dd4c1e28820d5ed653592074972a5c132c065e245f9a2d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b18535b71fdd699c385efeb3ef972063825160ce3f31e9b62366d840a06f2b9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-08-17T11:46:04Z",
    "title_canon_sha256": "d8cd3f49b6b09aced886f17ee2510b0fcd6fc880e0d9ed6d7a3671e4dbea24f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3455",
    "kind": "arxiv",
    "version": 1
  }
}