Pith Number

pith:CRLVF344

pith:2012:CRLVF34437UNYYTCX6KKAZ6CNX

not attested not anchored not stored refs pending

Difference Image Analysis: Extension to a Spatially Varying Photometric Scale Factor and Other Considerations

A. Arellano Ferro, C. Snodgrass, D. M. Bramich, Keith Horne, M. D. Albrow, M. Hundertmark, Noe Kains, R. A. Street, R. Figuera Jaimes, Sunetra Giridhar, Y. Tsapras

arxiv:1210.2926 v1 · 2012-10-10 · 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{CRLVF34437UNYYTCX6KKAZ6CNX}

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	2026-05-18T01:54:03.445046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

145752ef9cdfe8dc6262bf94a067c26df1005ae27e3cdea911972e79400d7165

Aliases

arxiv: 1210.2926 · arxiv_version: 1210.2926v1 · doi: 10.48550/arxiv.1210.2926 · pith_short_12: CRLVF34437UN · pith_short_16: CRLVF34437UNYYTC · pith_short_8: CRLVF344

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/CRLVF34437UNYYTCX6KKAZ6CNX \
  | 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: 145752ef9cdfe8dc6262bf94a067c26df1005ae27e3cdea911972e79400d7165

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1dcd32ce8ec87fa7ee722fb5732401a3eb862e25d7d27b69213d7952c0fc87f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-10-10T14:05:04Z",
    "title_canon_sha256": "f2150eb36439c18ee42c13a77fa634e47d9e3ccb8832ce6dea582adee44d5b9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2926",
    "kind": "arxiv",
    "version": 1
  }
}