Pith Number

pith:D2XBLIJZ

pith:2008:D2XBLIJZ3BPKEH4ZAHTYTOPV2B

not attested not anchored not stored refs pending

Near-Infrared Imaging Polarimetry of M42: Aperture Polarimetry of Point-like Sources

Jim Hough, Jun Hashimoto, Motohide Tamura, Nobuhiko Kusakabe, Phil Lucas, Ryo Kandori, Takahiro Nagayama, Tetsuya Nagata, Yasushi Nakajima

arxiv:0807.1424 v1 · 2008-07-09 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2XBLIJZ3BPKEH4ZAHTYTOPV2B}

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	2026-07-04T17:11:43.402067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1eae15a139d85ea21f9901e789b9f5d073231a3b3ee5bdf3e8ca30b0f9395700

Aliases

arxiv: 0807.1424 · arxiv_version: 0807.1424v1 · doi: 10.48550/arxiv.0807.1424 · pith_short_12: D2XBLIJZ3BPK · pith_short_16: D2XBLIJZ3BPKEH4Z · pith_short_8: D2XBLIJZ

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/D2XBLIJZ3BPKEH4ZAHTYTOPV2B \
  | 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: 1eae15a139d85ea21f9901e789b9f5d073231a3b3ee5bdf3e8ca30b0f9395700

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eebc19b4f3b3737399f07f788d525242729a60cdaa0a88600a001dff6fcc50a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-09T11:32:17Z",
    "title_canon_sha256": "327bc040cf7743a509b79bac3673e3f2ed1884172fc91cfbf3befc314c340352"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.1424",
    "kind": "arxiv",
    "version": 1
  }
}