Pith Number

pith:JV2VUKRW

pith:2017:JV2VUKRWOIL6FWLEJUPJ4U64ZE

not attested not anchored not stored refs pending

A PCA-based approach for subtracting thermal background emission in high-contrast imaging data

(2) University of Michigan), Adam Amara (1), Michael R. Meyer (2) ((1) ETH Zurich, Sascha P. Quanz (1), Silvan Hunziker (1)

arxiv:1706.10069 v3 · 2017-06-30 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JV2VUKRWOIL6FWLEJUPJ4U64ZE}

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	2026-05-18T00:20:56.391955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d755a2a367217e2d9644d1e9e53dcc92b4fd0ebe14c01c591098dff2ebff2ce

Aliases

arxiv: 1706.10069 · arxiv_version: 1706.10069v3 · doi: 10.48550/arxiv.1706.10069 · pith_short_12: JV2VUKRWOIL6 · pith_short_16: JV2VUKRWOIL6FWLE · pith_short_8: JV2VUKRW

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/JV2VUKRWOIL6FWLEJUPJ4U64ZE \
  | 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: 4d755a2a367217e2d9644d1e9e53dcc92b4fd0ebe14c01c591098dff2ebff2ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d7981e2ea8ff678aa1913144357a1450b1295a0cbb0b225ff3406248f041302",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-06-30T08:51:36Z",
    "title_canon_sha256": "affd2657e85cdcfaff53993b9721a4ef5700a4349fad22c5f2f74ad7ccb048f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.10069",
    "kind": "arxiv",
    "version": 3
  }
}