Pith Number

pith:OTUEHDAE

pith:2014:OTUEHDAEKW5N75QRXRSZ56ZGBB

not attested not anchored not stored refs pending

Reference image selection for difference imaging analysis

Eamonn Kerins, Leo Huckvale, Stuart E. Sale

arxiv:1404.6948 v1 · 2014-04-28 · astro-ph.IM · 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{OTUEHDAEKW5N75QRXRSZ56ZGBB}

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	2026-05-18T01:43:22.714056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74e8438c0455badff611bc659efb260840a9a2e613e8d547f409bf8e94c3e606

Aliases

arxiv: 1404.6948 · arxiv_version: 1404.6948v1 · doi: 10.48550/arxiv.1404.6948 · pith_short_12: OTUEHDAEKW5N · pith_short_16: OTUEHDAEKW5N75QR · pith_short_8: OTUEHDAE

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/OTUEHDAEKW5N75QRXRSZ56ZGBB \
  | 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: 74e8438c0455badff611bc659efb260840a9a2e613e8d547f409bf8e94c3e606

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87fac963a8c47253ffefd50bfa7bfedc98e6962273bb47fc49ee1ee976ca1c76",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-04-28T12:11:57Z",
    "title_canon_sha256": "77e92a5545b6a0bf594dbf914f38d4a1e23778d0e638a2ed9794fd8c9dd0fc33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6948",
    "kind": "arxiv",
    "version": 1
  }
}