Pith Number

pith:4INVPRQP

pith:2006:4INVPRQP65PQAXURCDJPKTFFCM

not attested not anchored not stored refs pending

The Orbit of the Eclipsing X-ray Pulsar EXO 1722-363

(2) SRON, (3) Integral SDC), J. J. M. in 't Zand (2), John A. Tomsick (1), Richard E. Rothschild (1), Roland Walter (3) ((1) CASS/UCSD, Thomas W. J. Thompson (1)

arxiv:astro-ph/0609424 v1 · 2006-09-14 · 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{4INVPRQP65PQAXURCDJPKTFFCM}

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	2026-05-18T04:28:57.719172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e21b57c60ff75f005e9110d2f54ca5130b49e2f2ebc47c7f779f146369a104b6

Aliases

arxiv: astro-ph/0609424 · arxiv_version: astro-ph/0609424v1 · doi: 10.48550/arxiv.astro-ph/0609424 · pith_short_12: 4INVPRQP65PQ · pith_short_16: 4INVPRQP65PQAXUR · pith_short_8: 4INVPRQP

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/4INVPRQP65PQAXURCDJPKTFFCM \
  | 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: e21b57c60ff75f005e9110d2f54ca5130b49e2f2ebc47c7f779f146369a104b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "394e679d998d23ef0cbd3c98962f978122909d14e96a28f85e6a72f1b456578e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-14T21:24:04Z",
    "title_canon_sha256": "90c556bff408e2471cff15996684b7bf445f2803a01734a23c2d50b0e7776be9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609424",
    "kind": "arxiv",
    "version": 1
  }
}