Pith Number

pith:BT3Q7DBF

pith:2013:BT3Q7DBFF7KE66FIIIWWWXT777

not attested not anchored not stored refs pending

The X-ray Spectrum Of The Black Hole Candidate Swift J1753.5-0127

Alaa I. Ibrahim, Beike Hiemstra, Mariano Mendez, Mohammed N. Yasein, Paolo Soleri, Reham Mostafa, Tomaso Belloni

arxiv:1302.5882 v2 · 2013-02-24 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BT3Q7DBFF7KE66FIIIWWWXT777}

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	2026-05-18T03:32:04.695443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cf70f8c252fd44f78a8422d6b5e7fffd3a20a80f8a730350a8e6a06f2630ddd

Aliases

arxiv: 1302.5882 · arxiv_version: 1302.5882v2 · doi: 10.48550/arxiv.1302.5882 · pith_short_12: BT3Q7DBFF7KE · pith_short_16: BT3Q7DBFF7KE66FI · pith_short_8: BT3Q7DBF

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/BT3Q7DBFF7KE66FIIIWWWXT777 \
  | 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: 0cf70f8c252fd44f78a8422d6b5e7fffd3a20a80f8a730350a8e6a06f2630ddd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86f85e7e673f83fcba5a8fed3647bf86422a25a7df69185c73f3ea686400925b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-02-24T08:23:36Z",
    "title_canon_sha256": "2f025d931c503adc65447eb1d7ab8fd8308ddf72b4f4ff9fb4ae29f3eea45ec4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5882",
    "kind": "arxiv",
    "version": 2
  }
}