Pith Number

pith:NKB5EV7Q

pith:2005:NKB5EV7QMDK6AVC7BGPRZAS2T2

not attested not anchored not stored refs pending

Evidence of Class Transitions in GRS 1915+105 from IXAE Data

A. Nandi, Asit Choudhury, Sandip K. Chakrabarti, Utpal Chatterjee

arxiv:astro-ph/0501282 v1 · 2005-01-14 · 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{NKB5EV7QMDK6AVC7BGPRZAS2T2}

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	2026-07-04T16:50:37.807785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a83d257f060d5e0545f099f1c825a9e916eb0ecb2c1e51ecb023c8a7f6c6616

Aliases

arxiv: astro-ph/0501282 · arxiv_version: astro-ph/0501282v1 · doi: 10.48550/arxiv.astro-ph/0501282 · pith_short_12: NKB5EV7QMDK6 · pith_short_16: NKB5EV7QMDK6AVC7 · pith_short_8: NKB5EV7Q

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/NKB5EV7QMDK6AVC7BGPRZAS2T2 \
  | 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: 6a83d257f060d5e0545f099f1c825a9e916eb0ecb2c1e51ecb023c8a7f6c6616

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f955e4337172c23ee4eae0e732b158dad8e0586cae1ad39bacc0cabf19621ea",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-14T13:21:00Z",
    "title_canon_sha256": "fd933e83d8aabb032c0e316f094fd56e8fdcfc7ab798e854738cb7fccbee345e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501282",
    "kind": "arxiv",
    "version": 1
  }
}