Pith Number

pith:BX2A6EN2

pith:2001:BX2A6EN25J3US76EMWT7DKUGVO

not attested not anchored not stored refs pending

Binary and Long-Term (Triple?) Modulations of 4U 1820$-$30 in NGC 6624

J. E. Grindlay, Y. Chou

arxiv:astro-ph/0108405 v1 · 2001-08-25 · 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{BX2A6EN25J3US76EMWT7DKUGVO}

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.

Cited by

2 papers in Pith

On the origin of anomalous dissipation in simulations of tidal disruption events

The first IXPE view of the eclipsing ADC source 4U 1822-37

Receipt and verification

First computed	2026-07-04T16:24:00.964548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0df40f11baea77497fc465a7f1aa86aba1d975913ffcd757ea4dbc32e7b9de4f

Aliases

arxiv: astro-ph/0108405 · arxiv_version: astro-ph/0108405v1 · doi: 10.48550/arxiv.astro-ph/0108405 · pith_short_12: BX2A6EN25J3U · pith_short_16: BX2A6EN25J3US76E · pith_short_8: BX2A6EN2

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/BX2A6EN25J3US76EMWT7DKUGVO \
  | 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: 0df40f11baea77497fc465a7f1aa86aba1d975913ffcd757ea4dbc32e7b9de4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd4d53066c65b4a54077f40944c43b48baf25b82ce5ce835536022adeda8d048",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-08-25T19:47:02Z",
    "title_canon_sha256": "521ea4277684e92bc4f8260ca3f5066be7f680b98ad0ddf0d761303ad1d628b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0108405",
    "kind": "arxiv",
    "version": 1
  }
}