Pith Number

pith:PNRWEKNI

pith:2005:PNRWEKNIFU7YR3JYT2FIP3V4CH

not attested not anchored not stored refs pending

X-rays from accretion shocks in T Tauri stars: The case of BP Tau

(2)University of Oxford, (3) Astrophysics Division, (4) Dipartimento di Scienze Fisiche e Astronomiche, B. Stelzer (4)((1)Hamburger Sternwarte, Department of Theoretical Physics, ESA/ESTEC, F. Favata (3), Hamburg, J.H.M.M. Schmitt (1), J. Robrade (1), J.-U. Ness (2), Noordwijk, Oxford, Universita di Palermo)

arxiv:astro-ph/0503144 v1 · 2005-03-07 · 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{PNRWEKNIFU7YR3JYT2FIP3V4CH}

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	2026-07-04T16:50:56.961377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b636229a82d3f88ed389e8a87eebc11c0a53cb7f6232ffa04a40adb1ab3623c

Aliases

arxiv: astro-ph/0503144 · arxiv_version: astro-ph/0503144v1 · doi: 10.48550/arxiv.astro-ph/0503144 · pith_short_12: PNRWEKNIFU7Y · pith_short_16: PNRWEKNIFU7YR3JY · pith_short_8: PNRWEKNI

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/PNRWEKNIFU7YR3JYT2FIP3V4CH \
  | 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: 7b636229a82d3f88ed389e8a87eebc11c0a53cb7f6232ffa04a40adb1ab3623c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7440e396a05226fb0db2653bed4d0fd642dc983022065fa8f5c979eca979a23e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-07T13:45:33Z",
    "title_canon_sha256": "5f4794e61a4c51529ea002b0a2801c80ee860e9c42f367ab8869644b2cf5698e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503144",
    "kind": "arxiv",
    "version": 1
  }
}