Pith Number

pith:TZK7N4N6

pith:2009:TZK7N4N6PRJOPDMYPSSTQYH7LA

not attested not anchored not stored refs pending

Discovery of a broad iron line in the black-hole candidate Swift J1753.5-0127, and the disk emission in the low/hard state revisited

Beike Hiemstra, Mariano Mendez, Paolo Soleri, Reham Mostafa, Rudy Wijnands, Tomaso Belloni

arxiv:0901.2255 v1 · 2009-01-15 · 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{TZK7N4N6PRJOPDMYPSSTQYH7LA}

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	2026-05-18T02:14:57.312945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e55f6f1be7c52e78d987ca53860ff5830efdaf5bcc64285b76cc4108f941bae

Aliases

arxiv: 0901.2255 · arxiv_version: 0901.2255v1 · doi: 10.48550/arxiv.0901.2255 · pith_short_12: TZK7N4N6PRJO · pith_short_16: TZK7N4N6PRJOPDMY · pith_short_8: TZK7N4N6

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/TZK7N4N6PRJOPDMYPSSTQYH7LA \
  | 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: 9e55f6f1be7c52e78d987ca53860ff5830efdaf5bcc64285b76cc4108f941bae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "075409c8d66a5980bd7d1a26d0e5cc1ac444a090f060d46b41455c91b2117cf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-01-15T13:01:04Z",
    "title_canon_sha256": "ce0d7b90f94bda61fca292541ea9a938df699efd5b9a08b5fa66da1e5a2ba54e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2255",
    "kind": "arxiv",
    "version": 1
  }
}