Pith Number

pith:NP7BZZTA

pith:2008:NP7BZZTA5BEBOQG3ZVMJLY4DO2

not attested not anchored not stored refs pending

Epsilon Eridani's Planetary Debris Disk: Structure and Dynamics based on Spitzer and CSO Observations

C. D. Dowell, D. Backman, D. Watson, D. Wilner, G. Fazio, G. Rieke, J. Stansberry, K. Stapelfeldt, K. Su, M. Marengo, M. Werner, T. Megeath

arxiv:0810.4564 v1 · 2008-10-24 · 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{NP7BZZTA5BEBOQG3ZVMJLY4DO2}

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	2026-05-18T04:29:25.726761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bfe1ce660e8481740dbcd5895e383769bafbacbac81381d324653fbd7895bf5

Aliases

arxiv: 0810.4564 · arxiv_version: 0810.4564v1 · doi: 10.48550/arxiv.0810.4564 · pith_short_12: NP7BZZTA5BEB · pith_short_16: NP7BZZTA5BEBOQG3 · pith_short_8: NP7BZZTA

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/NP7BZZTA5BEBOQG3ZVMJLY4DO2 \
  | 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: 6bfe1ce660e8481740dbcd5895e383769bafbacbac81381d324653fbd7895bf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e70ee7f7ac29eab27f445484fa440d0fd92efed67244b7c0e122d21e4c3af8f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-24T22:43:15Z",
    "title_canon_sha256": "2ad601df54f4fc1c46113cbff94a470df1b14b590c6846a703bd4876906fb9bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.4564",
    "kind": "arxiv",
    "version": 1
  }
}