Pith Number

pith:235WNOC4

pith:2010:235WNOC4JW6XXQ5DRSFWVDI562

not attested not anchored not stored refs pending

Optimal Compression of Floating-point Astronomical Images Without Significant Loss of Information

R. L. White (STScI), R. Seaman (NOAO), W. D. Pence (NASA/GSFC)

arxiv:1007.1179 v1 · 2010-07-07 · 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{235WNOC4JW6XXQ5DRSFWVDI562}

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	2026-05-18T04:41:13.929895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6fb66b85c4dbd7bc3a38c8b6a8d1df6ab064d140fedc9d724f21a721ebacac1

Aliases

arxiv: 1007.1179 · arxiv_version: 1007.1179v1 · doi: 10.48550/arxiv.1007.1179 · pith_short_12: 235WNOC4JW6X · pith_short_16: 235WNOC4JW6XXQ5D · pith_short_8: 235WNOC4

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/235WNOC4JW6XXQ5DRSFWVDI562 \
  | 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: d6fb66b85c4dbd7bc3a38c8b6a8d1df6ab064d140fedc9d724f21a721ebacac1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f264a90586ba8c3374162051e52b7352b73ceb300eee3f87414b9333a7a5622",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-07-07T16:32:05Z",
    "title_canon_sha256": "cf2a0bc0762902c930617fe6269ca32f42dc2fdba59bd6e25d87984ff63b52b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.1179",
    "kind": "arxiv",
    "version": 1
  }
}