Pith Number

pith:DRPOJHNW

pith:2011:DRPOJHNW6XFP264LKJVMZHWORW

not attested not anchored not stored refs pending

Near-Contemporaneous Optical Spectroscopic and Infrared Photometric Observations of Candidate Herbig Ae/Be Stars in the Magellanic Clouds

(2) University of Washington), Bradley W. Rush (1), John P. Wisniewski (2), Karen S. Bjorkman (1) ((1) University of Toledo

arxiv:1105.5631 v1 · 2011-05-27 · 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{DRPOJHNW6XFP264LKJVMZHWORW}

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	2026-05-18T02:01:47.038977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c5ee49db6f5cafd7b8b526acc9ece8d9e52b4db196d7c15c578378d754908dd

Aliases

arxiv: 1105.5631 · arxiv_version: 1105.5631v1 · doi: 10.48550/arxiv.1105.5631 · pith_short_12: DRPOJHNW6XFP · pith_short_16: DRPOJHNW6XFP264L · pith_short_8: DRPOJHNW

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/DRPOJHNW6XFP264LKJVMZHWORW \
  | 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: 1c5ee49db6f5cafd7b8b526acc9ece8d9e52b4db196d7c15c578378d754908dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a8be010b694ff988bb7731f970daaa4aa1ad50d1d9973bc675f4c2c0622ef9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-05-27T19:10:27Z",
    "title_canon_sha256": "416acc7d6a0dff1d2b8596300029c43bfd742cb1a5bb75a7a94638cecfbdbdd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5631",
    "kind": "arxiv",
    "version": 1
  }
}