Pith Number

pith:Y75ODDLQ

pith:2001:Y75ODDLQ6KFKPPGIZPQOYFIJNZ

not attested not anchored not stored refs pending

The quiescent light curve and evolutionary state of GRO J1655-40

Martin E. Beer, Philipp Podsiadlowski (Oxford)

arxiv:astro-ph/0109136 v1 · 2001-09-08 · 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{Y75ODDLQ6KFKPPGIZPQOYFIJNZ}

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	2026-07-04T16:24:05.429850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7fae18d70f28aa7bcc8cbe0ec15096e62b476a17d83a1f10cdf3753698ced16

Aliases

arxiv: astro-ph/0109136 · arxiv_version: astro-ph/0109136v1 · doi: 10.48550/arxiv.astro-ph/0109136 · pith_short_12: Y75ODDLQ6KFK · pith_short_16: Y75ODDLQ6KFKPPGI · pith_short_8: Y75ODDLQ

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/Y75ODDLQ6KFKPPGIZPQOYFIJNZ \
  | 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: c7fae18d70f28aa7bcc8cbe0ec15096e62b476a17d83a1f10cdf3753698ced16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "275fb3aec562c0c893d1eaa4fd0372b28d61655c3ef7e3e16626e475ac1c921d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-08T14:42:55Z",
    "title_canon_sha256": "9861aa88b1d49386fabda798f02d51b74690c6af2ef547072edaebdf3ef4492d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109136",
    "kind": "arxiv",
    "version": 1
  }
}