Pith Number

pith:ABO2OJZ7

pith:2009:ABO2OJZ7ZGDGV23YF3AM6BSBHL

not attested not anchored not stored refs pending

On the relationship between Red Rectangle and diffuse interstellar bands

Frederic Zagury

arxiv:0909.0699 v1 · 2009-09-03 · astro-ph.GA · 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{ABO2OJZ7ZGDGV23YF3AM6BSBHL}

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	2026-05-18T04:01:00.210384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

005da7273fc9866aeb782ec0cf06413afa239134075d8fa433813e87d085e359

Aliases

arxiv: 0909.0699 · arxiv_version: 0909.0699v1 · doi: 10.48550/arxiv.0909.0699 · pith_short_12: ABO2OJZ7ZGDG · pith_short_16: ABO2OJZ7ZGDGV23Y · pith_short_8: ABO2OJZ7

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/ABO2OJZ7ZGDGV23YF3AM6BSBHL \
  | 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: 005da7273fc9866aeb782ec0cf06413afa239134075d8fa433813e87d085e359

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75df4bbb9e756f982651859941956ed0b27a0f539752971388ff826ad8a53546",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-09-03T16:12:29Z",
    "title_canon_sha256": "f6e71f0fb36c9f824076fab3c8da0547303a005d6eb77c7203891abb184ba7f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0699",
    "kind": "arxiv",
    "version": 1
  }
}