Pith Number

pith:UWS4EEC7

pith:2001:UWS4EEC77VPAMPZGORO2T55O26

not attested not anchored not stored refs pending

High-Resolution Spectroscopy of G191-B2B in the Extreme Ultraviolet

(2) University of Leicester, (3) Mullard Space Science Laboratory, (4) Lawrence Livermore National Laboratory, (5) Praxis Inc, Alexandria, B. Sanderson (3), C. M. Brown (1), D. J. Yentis (1), G. G. Fritz (5) ((1) Naval Research Laboratory, G. W. Fraser (2), H. Gursky (1), J. A. Tandy (3), J. E. Spragg (2), J. F. Kordas (4), J. L. Culhane (3), J. S. Lapington (3), M. A. Barstow (2), M. P. Kowalski (1), N. P. Bannister (2), R. G. Cruddace (1), T. W. Barbee (4), Virginia), W. Goldstein (4)

arxiv:astro-ph/0112254 v1 · 2001-12-11 · 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{UWS4EEC77VPAMPZGORO2T55O26}

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	2026-07-04T16:24:44.648350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5a5c2105ffd5e063f26745da9f7aed7b2c005f8bcaf62558da08d98ca51ed41

Aliases

arxiv: astro-ph/0112254 · arxiv_version: astro-ph/0112254v1 · doi: 10.48550/arxiv.astro-ph/0112254 · pith_short_12: UWS4EEC77VPA · pith_short_16: UWS4EEC77VPAMPZG · pith_short_8: UWS4EEC7

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/UWS4EEC77VPAMPZGORO2T55O26 \
  | 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: a5a5c2105ffd5e063f26745da9f7aed7b2c005f8bcaf62558da08d98ca51ed41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6d6ac2299c7b646dbe6baebb798156776b7ce85886c0a3a884280c1024921dc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-12-11T18:47:16Z",
    "title_canon_sha256": "7437996cd80e57092b2194d037f670fbecf580da1bdcc74a6c9073246c2d36b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0112254",
    "kind": "arxiv",
    "version": 1
  }
}