Pith Number

pith:W3FA7J2R

pith:1997:W3FA7J2RUGIYAJ4ICDI7MMEJVA

not attested not anchored not stored refs pending

A unified model for the spectral variability in GRS 1915+105

A.R. King, J. van Paradijs, M. Mendez, M. van der Klis, T. Belloni

arxiv:astro-ph/9708113 v1 · 1997-08-12 · 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{W3FA7J2RUGIYAJ4ICDI7MMEJVA}

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	2026-05-18T04:22:32.230710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6ca0fa751a19180278810d1f63089a82cbc8ac7a3a0b7125c030dcdaf8e82ae

Aliases

arxiv: astro-ph/9708113 · arxiv_version: astro-ph/9708113v1 · doi: 10.48550/arxiv.astro-ph/9708113 · pith_short_12: W3FA7J2RUGIY · pith_short_16: W3FA7J2RUGIYAJ4I · pith_short_8: W3FA7J2R

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/W3FA7J2RUGIYAJ4ICDI7MMEJVA \
  | 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: b6ca0fa751a19180278810d1f63089a82cbc8ac7a3a0b7125c030dcdaf8e82ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb43e5af89d942ff705a822266968f60217c1c578087d05e9d199bc936caca56",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-08-12T15:50:53Z",
    "title_canon_sha256": "2994b9b81019c0b57d63cdd8c6f948aa7a3d90e3ffa789b9a9a378014197dc1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9708113",
    "kind": "arxiv",
    "version": 1
  }
}