Pith Number

pith:ZZC747QI

pith:2004:ZZC747QIIBFC3ZAQLJOYLBUCRD

not attested not anchored not stored refs pending

X-ray spectral and timing properties of the 2001 superburst of 4U 1636-536

3), Diego Altamirano (5), Erik Kuulkers (1), Jean in 't Zand (2, Jeroen Homan (4), Michiel van der Klis (5) ((1) ESA/ESTEC; (2) SRON; (3) Utrecht University; (4) MIT; (5) University of Amsterdam), Steve van Straaten (5)

arxiv:astro-ph/0402076 v1 · 2004-02-03 · 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{ZZC747QIIBFC3ZAQLJOYLBUCRD}

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

1 paper in Pith

Tracing the outburst decay of soft X-ray transients Aql X-1 and 4U 1608-52 with XSPECT

Receipt and verification

First computed	2026-07-04T16:42:57.676093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce45fe7e08404a2de4105a5d85868288c0b41b92aae1d78b0f382b6f2838f3f6

Aliases

arxiv: astro-ph/0402076 · arxiv_version: astro-ph/0402076v1 · doi: 10.48550/arxiv.astro-ph/0402076 · pith_short_12: ZZC747QIIBFC · pith_short_16: ZZC747QIIBFC3ZAQ · pith_short_8: ZZC747QI

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/ZZC747QIIBFC3ZAQLJOYLBUCRD \
  | 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: ce45fe7e08404a2de4105a5d85868288c0b41b92aae1d78b0f382b6f2838f3f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ec192a538e91abd6afacd25b851e4078f19f38b69034815958c382fe1ffe4dc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-03T15:44:22Z",
    "title_canon_sha256": "c4edd6d8698bf38d596537a44a86b1e72613f7cefd80ef12aea372ad621f2e79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402076",
    "kind": "arxiv",
    "version": 1
  }
}