Pith Number

pith:VUWWEWVC

pith:2001:VUWWEWVCL3NQ7VCN5VE3ZBHVWW

not attested not anchored not stored refs pending

Far Ultraviolet Spectroscopic Explorer Observations of a Supernova Remnant in the Line of Sight to HD 5980 in the Small Magellanic Cloud

Charles G. Hoopes, J. Christopher Howk, Kenneth R. Sembach, William P. Blair (Johns Hopkins University)

arxiv:astro-ph/0108049 v1 · 2001-08-02 · 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{VUWWEWVCL3NQ7VCN5VE3ZBHVWW}

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	2026-07-04T16:23:48.942153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad2d625aa25edb0fd44ded49bc84f5b595a3e975f1892f302fdac31b87e5e1a7

Aliases

arxiv: astro-ph/0108049 · arxiv_version: astro-ph/0108049v1 · doi: 10.48550/arxiv.astro-ph/0108049 · pith_short_12: VUWWEWVCL3NQ · pith_short_16: VUWWEWVCL3NQ7VCN · pith_short_8: VUWWEWVC

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/VUWWEWVCL3NQ7VCN5VE3ZBHVWW \
  | 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: ad2d625aa25edb0fd44ded49bc84f5b595a3e975f1892f302fdac31b87e5e1a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a74325b94f9fdf0b4e1284b89c74a8f6e4d025f7c0af37004ce985d3ef2c032",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-08-02T21:28:55Z",
    "title_canon_sha256": "90656c3401ca42d128fbce68c855b086a398ff23b5b63f1636ae4f4330480fe8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0108049",
    "kind": "arxiv",
    "version": 1
  }
}