Pith Number

pith:ESREWZXX

pith:2008:ESREWZXXLRP23JFGW3CCDAVBQY

not attested not anchored not stored refs pending

The Red Rectangle: Its Shaping Mechanism and its Source of Ultraviolet Photons

Adolf N. Witt (1), Donald G. York (4) ((1) Ritter Astrophysical Research Center, Embry-Riddle Aeronautical University (4) Department of Astronomy & Astrophysics, Jason P. Aufdenberg (3), Julie A. Thorburn (2), L. M. Hobbs (2), The University of Chicago (3) Physical Sciences Department, Uma P. Vijh (1), University of Chicago), University of Toledo (2) Yerkes Observatory

arxiv:0812.2893 v1 · 2008-12-15 · 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{ESREWZXXLRP23JFGW3CCDAVBQY}

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	2026-05-18T04:29:24.492499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24a24b66f75c5fada4a6b6c42182a18637c4e703cc10648a7fb23df10231a5e6

Aliases

arxiv: 0812.2893 · arxiv_version: 0812.2893v1 · doi: 10.48550/arxiv.0812.2893 · pith_short_12: ESREWZXXLRP2 · pith_short_16: ESREWZXXLRP23JFG · pith_short_8: ESREWZXX

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/ESREWZXXLRP23JFGW3CCDAVBQY \
  | 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: 24a24b66f75c5fada4a6b6c42182a18637c4e703cc10648a7fb23df10231a5e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92e10d095579d846bf574b87e118d76c7517f8e332b3579cc815ae38ba11fa7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-15T19:28:53Z",
    "title_canon_sha256": "c55c25c9c48b226d3201fe9694d8dc4d942719bd914c744068bb39c118bd11e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2893",
    "kind": "arxiv",
    "version": 1
  }
}