Pith Number

pith:XNJ4GMT3

pith:2007:XNJ4GMT3EECESEDPX7GX5YWEOW

not attested not anchored not stored refs pending

Discovery of Rapid Hard X-ray Variability and New Jet Activity in the Symbiotic Binary R Aqr

(2) Columbia University, (3) NASA Goddard Space Flight Center), C. S. Anderson (1), E. Kellogg (1), J. DePasquale (1), J. Pedelty (3) ((1) Harvard-Smithsonian Center for Astrophysics, J. S. Nichols (1), J. Sokoloski (2)

arxiv:astro-ph/0701336 v1 · 2007-01-11 · 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{XNJ4GMT3EECESEDPX7GX5YWEOW}

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	2026-05-18T04:29:07.426417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb53c3327b210449106fbfcd7ee2c475a43f38fb1bbb67735e76993e6f6da2f2

Aliases

arxiv: astro-ph/0701336 · arxiv_version: astro-ph/0701336v1 · doi: 10.48550/arxiv.astro-ph/0701336 · pith_short_12: XNJ4GMT3EECE · pith_short_16: XNJ4GMT3EECESEDP · pith_short_8: XNJ4GMT3

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/XNJ4GMT3EECESEDPX7GX5YWEOW \
  | 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: bb53c3327b210449106fbfcd7ee2c475a43f38fb1bbb67735e76993e6f6da2f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a35639b9c222e231ff751a481127b54d7f0c00fc6df305369a8b7b81fb9d223",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-11T14:51:03Z",
    "title_canon_sha256": "2074ad3bec26dc1c7f15f2a41aab2a2f1696d57c16e23237b27448917a03cd7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701336",
    "kind": "arxiv",
    "version": 1
  }
}